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https://git.postgresql.org/git/postgresql.git
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7559d8ebfa
Backpatch-through: update all files in master, backpatch legal files through 9.4
1232 lines
29 KiB
C
1232 lines
29 KiB
C
/*
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* psql - the PostgreSQL interactive terminal
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*
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* Copyright (c) 2000-2020, PostgreSQL Global Development Group
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*
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* src/bin/psql/startup.c
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*/
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#include "postgres_fe.h"
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#ifndef WIN32
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#include <unistd.h>
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#else /* WIN32 */
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#include <io.h>
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#include <win32.h>
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#endif /* WIN32 */
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#include "command.h"
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#include "common.h"
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#include "common/logging.h"
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#include "describe.h"
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#include "fe_utils/print.h"
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#include "getopt_long.h"
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#include "help.h"
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#include "input.h"
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#include "mainloop.h"
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#include "settings.h"
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/*
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* Global psql options
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*/
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PsqlSettings pset;
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#ifndef WIN32
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#define SYSPSQLRC "psqlrc"
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#define PSQLRC ".psqlrc"
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#else
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#define SYSPSQLRC "psqlrc"
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#define PSQLRC "psqlrc.conf"
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#endif
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/*
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* Structures to pass information between the option parsing routine
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* and the main function
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*/
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enum _actions
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{
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ACT_SINGLE_QUERY,
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ACT_SINGLE_SLASH,
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ACT_FILE
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};
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typedef struct SimpleActionListCell
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{
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struct SimpleActionListCell *next;
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enum _actions action;
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char *val;
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} SimpleActionListCell;
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typedef struct SimpleActionList
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{
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SimpleActionListCell *head;
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SimpleActionListCell *tail;
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} SimpleActionList;
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struct adhoc_opts
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{
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char *dbname;
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char *host;
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char *port;
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char *username;
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char *logfilename;
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bool no_readline;
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bool no_psqlrc;
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bool single_txn;
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bool list_dbs;
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SimpleActionList actions;
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};
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static void parse_psql_options(int argc, char *argv[],
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struct adhoc_opts *options);
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static void simple_action_list_append(SimpleActionList *list,
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enum _actions action, const char *val);
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static void process_psqlrc(char *argv0);
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static void process_psqlrc_file(char *filename);
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static void showVersion(void);
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static void EstablishVariableSpace(void);
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#define NOPAGER 0
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static void
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log_pre_callback(void)
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{
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if (pset.queryFout && pset.queryFout != stdout)
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fflush(pset.queryFout);
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}
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static void
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log_locus_callback(const char **filename, uint64 *lineno)
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{
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if (pset.inputfile)
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{
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*filename = pset.inputfile;
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*lineno = pset.lineno;
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}
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else
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{
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*filename = NULL;
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*lineno = 0;
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}
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}
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/*
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*
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* main
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*
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*/
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int
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main(int argc, char *argv[])
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{
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struct adhoc_opts options;
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int successResult;
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bool have_password = false;
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char password[100];
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bool new_pass;
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pg_logging_init(argv[0]);
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pg_logging_set_pre_callback(log_pre_callback);
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pg_logging_set_locus_callback(log_locus_callback);
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set_pglocale_pgservice(argv[0], PG_TEXTDOMAIN("psql"));
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if (argc > 1)
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{
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if ((strcmp(argv[1], "-?") == 0) || (argc == 2 && (strcmp(argv[1], "--help") == 0)))
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{
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usage(NOPAGER);
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exit(EXIT_SUCCESS);
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}
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if (strcmp(argv[1], "--version") == 0 || strcmp(argv[1], "-V") == 0)
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{
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showVersion();
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exit(EXIT_SUCCESS);
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}
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}
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pset.progname = get_progname(argv[0]);
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pset.db = NULL;
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setDecimalLocale();
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pset.encoding = PQenv2encoding();
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pset.queryFout = stdout;
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pset.queryFoutPipe = false;
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pset.copyStream = NULL;
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pset.last_error_result = NULL;
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pset.cur_cmd_source = stdin;
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pset.cur_cmd_interactive = false;
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/* We rely on unmentioned fields of pset.popt to start out 0/false/NULL */
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pset.popt.topt.format = PRINT_ALIGNED;
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pset.popt.topt.border = 1;
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pset.popt.topt.pager = 1;
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pset.popt.topt.pager_min_lines = 0;
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pset.popt.topt.start_table = true;
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pset.popt.topt.stop_table = true;
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pset.popt.topt.default_footer = true;
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pset.popt.topt.csvFieldSep[0] = DEFAULT_CSV_FIELD_SEP;
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pset.popt.topt.csvFieldSep[1] = '\0';
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pset.popt.topt.unicode_border_linestyle = UNICODE_LINESTYLE_SINGLE;
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pset.popt.topt.unicode_column_linestyle = UNICODE_LINESTYLE_SINGLE;
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pset.popt.topt.unicode_header_linestyle = UNICODE_LINESTYLE_SINGLE;
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refresh_utf8format(&(pset.popt.topt));
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/* We must get COLUMNS here before readline() sets it */
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pset.popt.topt.env_columns = getenv("COLUMNS") ? atoi(getenv("COLUMNS")) : 0;
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pset.notty = (!isatty(fileno(stdin)) || !isatty(fileno(stdout)));
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pset.getPassword = TRI_DEFAULT;
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EstablishVariableSpace();
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/* Create variables showing psql version number */
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SetVariable(pset.vars, "VERSION", PG_VERSION_STR);
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SetVariable(pset.vars, "VERSION_NAME", PG_VERSION);
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SetVariable(pset.vars, "VERSION_NUM", CppAsString2(PG_VERSION_NUM));
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/* Initialize variables for last error */
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SetVariable(pset.vars, "LAST_ERROR_MESSAGE", "");
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SetVariable(pset.vars, "LAST_ERROR_SQLSTATE", "00000");
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/* Default values for variables (that don't match the result of \unset) */
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SetVariableBool(pset.vars, "AUTOCOMMIT");
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SetVariable(pset.vars, "PROMPT1", DEFAULT_PROMPT1);
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SetVariable(pset.vars, "PROMPT2", DEFAULT_PROMPT2);
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SetVariable(pset.vars, "PROMPT3", DEFAULT_PROMPT3);
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parse_psql_options(argc, argv, &options);
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/*
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* If no action was specified and we're in non-interactive mode, treat it
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* as if the user had specified "-f -". This lets single-transaction mode
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* work in this case.
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*/
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if (options.actions.head == NULL && pset.notty)
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simple_action_list_append(&options.actions, ACT_FILE, NULL);
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/* Bail out if -1 was specified but will be ignored. */
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if (options.single_txn && options.actions.head == NULL)
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{
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pg_log_fatal("-1 can only be used in non-interactive mode");
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exit(EXIT_FAILURE);
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}
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if (!pset.popt.topt.fieldSep.separator &&
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!pset.popt.topt.fieldSep.separator_zero)
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{
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pset.popt.topt.fieldSep.separator = pg_strdup(DEFAULT_FIELD_SEP);
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pset.popt.topt.fieldSep.separator_zero = false;
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}
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if (!pset.popt.topt.recordSep.separator &&
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!pset.popt.topt.recordSep.separator_zero)
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{
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pset.popt.topt.recordSep.separator = pg_strdup(DEFAULT_RECORD_SEP);
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pset.popt.topt.recordSep.separator_zero = false;
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}
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if (pset.getPassword == TRI_YES)
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{
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/*
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* We can't be sure yet of the username that will be used, so don't
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* offer a potentially wrong one. Typical uses of this option are
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* noninteractive anyway.
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*/
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simple_prompt("Password: ", password, sizeof(password), false);
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have_password = true;
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}
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/* loop until we have a password if requested by backend */
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do
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{
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#define PARAMS_ARRAY_SIZE 8
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const char **keywords = pg_malloc(PARAMS_ARRAY_SIZE * sizeof(*keywords));
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const char **values = pg_malloc(PARAMS_ARRAY_SIZE * sizeof(*values));
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keywords[0] = "host";
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values[0] = options.host;
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keywords[1] = "port";
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values[1] = options.port;
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keywords[2] = "user";
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values[2] = options.username;
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keywords[3] = "password";
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values[3] = have_password ? password : NULL;
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keywords[4] = "dbname"; /* see do_connect() */
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values[4] = (options.list_dbs && options.dbname == NULL) ?
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"postgres" : options.dbname;
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keywords[5] = "fallback_application_name";
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values[5] = pset.progname;
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keywords[6] = "client_encoding";
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values[6] = (pset.notty || getenv("PGCLIENTENCODING")) ? NULL : "auto";
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keywords[7] = NULL;
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values[7] = NULL;
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new_pass = false;
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pset.db = PQconnectdbParams(keywords, values, true);
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free(keywords);
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free(values);
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if (PQstatus(pset.db) == CONNECTION_BAD &&
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PQconnectionNeedsPassword(pset.db) &&
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!have_password &&
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pset.getPassword != TRI_NO)
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{
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/*
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* Before closing the old PGconn, extract the user name that was
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* actually connected with --- it might've come out of a URI or
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* connstring "database name" rather than options.username.
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*/
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const char *realusername = PQuser(pset.db);
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char *password_prompt;
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if (realusername && realusername[0])
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password_prompt = psprintf(_("Password for user %s: "),
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realusername);
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else
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password_prompt = pg_strdup(_("Password: "));
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PQfinish(pset.db);
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simple_prompt(password_prompt, password, sizeof(password), false);
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free(password_prompt);
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have_password = true;
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new_pass = true;
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}
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} while (new_pass);
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if (PQstatus(pset.db) == CONNECTION_BAD)
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{
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pg_log_error("could not connect to server: %s", PQerrorMessage(pset.db));
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PQfinish(pset.db);
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exit(EXIT_BADCONN);
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}
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psql_setup_cancel_handler();
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PQsetNoticeProcessor(pset.db, NoticeProcessor, NULL);
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SyncVariables();
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if (options.list_dbs)
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{
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int success;
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if (!options.no_psqlrc)
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process_psqlrc(argv[0]);
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success = listAllDbs(NULL, false);
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PQfinish(pset.db);
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exit(success ? EXIT_SUCCESS : EXIT_FAILURE);
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}
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if (options.logfilename)
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{
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pset.logfile = fopen(options.logfilename, "a");
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if (!pset.logfile)
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{
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pg_log_fatal("could not open log file \"%s\": %m",
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options.logfilename);
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exit(EXIT_FAILURE);
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}
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}
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if (!options.no_psqlrc)
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process_psqlrc(argv[0]);
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/*
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* If any actions were given by user, process them in the order in which
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* they were specified. Note single_txn is only effective in this mode.
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*/
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if (options.actions.head != NULL)
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{
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PGresult *res;
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SimpleActionListCell *cell;
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successResult = EXIT_SUCCESS; /* silence compiler */
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if (options.single_txn)
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{
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if ((res = PSQLexec("BEGIN")) == NULL)
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{
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if (pset.on_error_stop)
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{
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successResult = EXIT_USER;
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goto error;
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}
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}
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else
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PQclear(res);
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}
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for (cell = options.actions.head; cell; cell = cell->next)
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{
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if (cell->action == ACT_SINGLE_QUERY)
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{
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pg_logging_config(PG_LOG_FLAG_TERSE);
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if (pset.echo == PSQL_ECHO_ALL)
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puts(cell->val);
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successResult = SendQuery(cell->val)
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? EXIT_SUCCESS : EXIT_FAILURE;
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}
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else if (cell->action == ACT_SINGLE_SLASH)
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{
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PsqlScanState scan_state;
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ConditionalStack cond_stack;
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pg_logging_config(PG_LOG_FLAG_TERSE);
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if (pset.echo == PSQL_ECHO_ALL)
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puts(cell->val);
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scan_state = psql_scan_create(&psqlscan_callbacks);
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psql_scan_setup(scan_state,
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cell->val, strlen(cell->val),
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pset.encoding, standard_strings());
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cond_stack = conditional_stack_create();
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psql_scan_set_passthrough(scan_state, (void *) cond_stack);
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successResult = HandleSlashCmds(scan_state,
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cond_stack,
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NULL,
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NULL) != PSQL_CMD_ERROR
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? EXIT_SUCCESS : EXIT_FAILURE;
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psql_scan_destroy(scan_state);
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conditional_stack_destroy(cond_stack);
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}
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else if (cell->action == ACT_FILE)
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{
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successResult = process_file(cell->val, false);
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}
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else
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{
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/* should never come here */
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Assert(false);
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}
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if (successResult != EXIT_SUCCESS && pset.on_error_stop)
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break;
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}
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if (options.single_txn)
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{
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if ((res = PSQLexec("COMMIT")) == NULL)
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{
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if (pset.on_error_stop)
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{
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successResult = EXIT_USER;
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goto error;
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}
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}
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else
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PQclear(res);
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}
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error:
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;
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}
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/*
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* or otherwise enter interactive main loop
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*/
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else
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{
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pg_logging_config(PG_LOG_FLAG_TERSE);
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connection_warnings(true);
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if (!pset.quiet)
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printf(_("Type \"help\" for help.\n\n"));
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initializeInput(options.no_readline ? 0 : 1);
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successResult = MainLoop(stdin);
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}
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/* clean up */
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if (pset.logfile)
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fclose(pset.logfile);
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PQfinish(pset.db);
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setQFout(NULL);
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return successResult;
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}
|
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|
|
|
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/*
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* Parse command line options
|
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*/
|
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|
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static void
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parse_psql_options(int argc, char *argv[], struct adhoc_opts *options)
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{
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static struct option long_options[] =
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{
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{"echo-all", no_argument, NULL, 'a'},
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{"no-align", no_argument, NULL, 'A'},
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{"command", required_argument, NULL, 'c'},
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{"dbname", required_argument, NULL, 'd'},
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{"echo-queries", no_argument, NULL, 'e'},
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{"echo-errors", no_argument, NULL, 'b'},
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{"echo-hidden", no_argument, NULL, 'E'},
|
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{"file", required_argument, NULL, 'f'},
|
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{"field-separator", required_argument, NULL, 'F'},
|
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{"field-separator-zero", no_argument, NULL, 'z'},
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{"host", required_argument, NULL, 'h'},
|
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{"html", no_argument, NULL, 'H'},
|
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{"list", no_argument, NULL, 'l'},
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{"log-file", required_argument, NULL, 'L'},
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{"no-readline", no_argument, NULL, 'n'},
|
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{"single-transaction", no_argument, NULL, '1'},
|
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{"output", required_argument, NULL, 'o'},
|
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{"port", required_argument, NULL, 'p'},
|
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{"pset", required_argument, NULL, 'P'},
|
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{"quiet", no_argument, NULL, 'q'},
|
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{"record-separator", required_argument, NULL, 'R'},
|
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{"record-separator-zero", no_argument, NULL, '0'},
|
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{"single-step", no_argument, NULL, 's'},
|
|
{"single-line", no_argument, NULL, 'S'},
|
|
{"tuples-only", no_argument, NULL, 't'},
|
|
{"table-attr", required_argument, NULL, 'T'},
|
|
{"username", required_argument, NULL, 'U'},
|
|
{"set", required_argument, NULL, 'v'},
|
|
{"variable", required_argument, NULL, 'v'},
|
|
{"version", no_argument, NULL, 'V'},
|
|
{"no-password", no_argument, NULL, 'w'},
|
|
{"password", no_argument, NULL, 'W'},
|
|
{"expanded", no_argument, NULL, 'x'},
|
|
{"no-psqlrc", no_argument, NULL, 'X'},
|
|
{"help", optional_argument, NULL, 1},
|
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{"csv", no_argument, NULL, 2},
|
|
{NULL, 0, NULL, 0}
|
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};
|
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|
|
int optindex;
|
|
int c;
|
|
|
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memset(options, 0, sizeof *options);
|
|
|
|
while ((c = getopt_long(argc, argv, "aAbc:d:eEf:F:h:HlL:no:p:P:qR:sStT:U:v:VwWxXz?01",
|
|
long_options, &optindex)) != -1)
|
|
{
|
|
switch (c)
|
|
{
|
|
case 'a':
|
|
SetVariable(pset.vars, "ECHO", "all");
|
|
break;
|
|
case 'A':
|
|
pset.popt.topt.format = PRINT_UNALIGNED;
|
|
break;
|
|
case 'b':
|
|
SetVariable(pset.vars, "ECHO", "errors");
|
|
break;
|
|
case 'c':
|
|
if (optarg[0] == '\\')
|
|
simple_action_list_append(&options->actions,
|
|
ACT_SINGLE_SLASH,
|
|
optarg + 1);
|
|
else
|
|
simple_action_list_append(&options->actions,
|
|
ACT_SINGLE_QUERY,
|
|
optarg);
|
|
break;
|
|
case 'd':
|
|
options->dbname = pg_strdup(optarg);
|
|
break;
|
|
case 'e':
|
|
SetVariable(pset.vars, "ECHO", "queries");
|
|
break;
|
|
case 'E':
|
|
SetVariableBool(pset.vars, "ECHO_HIDDEN");
|
|
break;
|
|
case 'f':
|
|
simple_action_list_append(&options->actions,
|
|
ACT_FILE,
|
|
optarg);
|
|
break;
|
|
case 'F':
|
|
pset.popt.topt.fieldSep.separator = pg_strdup(optarg);
|
|
pset.popt.topt.fieldSep.separator_zero = false;
|
|
break;
|
|
case 'h':
|
|
options->host = pg_strdup(optarg);
|
|
break;
|
|
case 'H':
|
|
pset.popt.topt.format = PRINT_HTML;
|
|
break;
|
|
case 'l':
|
|
options->list_dbs = true;
|
|
break;
|
|
case 'L':
|
|
options->logfilename = pg_strdup(optarg);
|
|
break;
|
|
case 'n':
|
|
options->no_readline = true;
|
|
break;
|
|
case 'o':
|
|
if (!setQFout(optarg))
|
|
exit(EXIT_FAILURE);
|
|
break;
|
|
case 'p':
|
|
options->port = pg_strdup(optarg);
|
|
break;
|
|
case 'P':
|
|
{
|
|
char *value;
|
|
char *equal_loc;
|
|
bool result;
|
|
|
|
value = pg_strdup(optarg);
|
|
equal_loc = strchr(value, '=');
|
|
if (!equal_loc)
|
|
result = do_pset(value, NULL, &pset.popt, true);
|
|
else
|
|
{
|
|
*equal_loc = '\0';
|
|
result = do_pset(value, equal_loc + 1, &pset.popt, true);
|
|
}
|
|
|
|
if (!result)
|
|
{
|
|
pg_log_fatal("could not set printing parameter \"%s\"", value);
|
|
exit(EXIT_FAILURE);
|
|
}
|
|
|
|
free(value);
|
|
break;
|
|
}
|
|
case 'q':
|
|
SetVariableBool(pset.vars, "QUIET");
|
|
break;
|
|
case 'R':
|
|
pset.popt.topt.recordSep.separator = pg_strdup(optarg);
|
|
pset.popt.topt.recordSep.separator_zero = false;
|
|
break;
|
|
case 's':
|
|
SetVariableBool(pset.vars, "SINGLESTEP");
|
|
break;
|
|
case 'S':
|
|
SetVariableBool(pset.vars, "SINGLELINE");
|
|
break;
|
|
case 't':
|
|
pset.popt.topt.tuples_only = true;
|
|
break;
|
|
case 'T':
|
|
pset.popt.topt.tableAttr = pg_strdup(optarg);
|
|
break;
|
|
case 'U':
|
|
options->username = pg_strdup(optarg);
|
|
break;
|
|
case 'v':
|
|
{
|
|
char *value;
|
|
char *equal_loc;
|
|
|
|
value = pg_strdup(optarg);
|
|
equal_loc = strchr(value, '=');
|
|
if (!equal_loc)
|
|
{
|
|
if (!DeleteVariable(pset.vars, value))
|
|
exit(EXIT_FAILURE); /* error already printed */
|
|
}
|
|
else
|
|
{
|
|
*equal_loc = '\0';
|
|
if (!SetVariable(pset.vars, value, equal_loc + 1))
|
|
exit(EXIT_FAILURE); /* error already printed */
|
|
}
|
|
|
|
free(value);
|
|
break;
|
|
}
|
|
case 'V':
|
|
showVersion();
|
|
exit(EXIT_SUCCESS);
|
|
case 'w':
|
|
pset.getPassword = TRI_NO;
|
|
break;
|
|
case 'W':
|
|
pset.getPassword = TRI_YES;
|
|
break;
|
|
case 'x':
|
|
pset.popt.topt.expanded = true;
|
|
break;
|
|
case 'X':
|
|
options->no_psqlrc = true;
|
|
break;
|
|
case 'z':
|
|
pset.popt.topt.fieldSep.separator_zero = true;
|
|
break;
|
|
case '0':
|
|
pset.popt.topt.recordSep.separator_zero = true;
|
|
break;
|
|
case '1':
|
|
options->single_txn = true;
|
|
break;
|
|
case '?':
|
|
if (optind <= argc &&
|
|
strcmp(argv[optind - 1], "-?") == 0)
|
|
{
|
|
/* actual help option given */
|
|
usage(NOPAGER);
|
|
exit(EXIT_SUCCESS);
|
|
}
|
|
else
|
|
{
|
|
/* getopt error (unknown option or missing argument) */
|
|
goto unknown_option;
|
|
}
|
|
break;
|
|
case 1:
|
|
{
|
|
if (!optarg || strcmp(optarg, "options") == 0)
|
|
usage(NOPAGER);
|
|
else if (optarg && strcmp(optarg, "commands") == 0)
|
|
slashUsage(NOPAGER);
|
|
else if (optarg && strcmp(optarg, "variables") == 0)
|
|
helpVariables(NOPAGER);
|
|
else
|
|
goto unknown_option;
|
|
|
|
exit(EXIT_SUCCESS);
|
|
}
|
|
break;
|
|
case 2:
|
|
pset.popt.topt.format = PRINT_CSV;
|
|
break;
|
|
default:
|
|
unknown_option:
|
|
fprintf(stderr, _("Try \"%s --help\" for more information.\n"),
|
|
pset.progname);
|
|
exit(EXIT_FAILURE);
|
|
break;
|
|
}
|
|
}
|
|
|
|
/*
|
|
* if we still have arguments, use it as the database name and username
|
|
*/
|
|
while (argc - optind >= 1)
|
|
{
|
|
if (!options->dbname)
|
|
options->dbname = argv[optind];
|
|
else if (!options->username)
|
|
options->username = argv[optind];
|
|
else if (!pset.quiet)
|
|
pg_log_warning("extra command-line argument \"%s\" ignored",
|
|
argv[optind]);
|
|
|
|
optind++;
|
|
}
|
|
}
|
|
|
|
|
|
/*
|
|
* Append a new item to the end of the SimpleActionList.
|
|
* Note that "val" is copied if it's not NULL.
|
|
*/
|
|
static void
|
|
simple_action_list_append(SimpleActionList *list,
|
|
enum _actions action, const char *val)
|
|
{
|
|
SimpleActionListCell *cell;
|
|
|
|
cell = (SimpleActionListCell *) pg_malloc(sizeof(SimpleActionListCell));
|
|
|
|
cell->next = NULL;
|
|
cell->action = action;
|
|
if (val)
|
|
cell->val = pg_strdup(val);
|
|
else
|
|
cell->val = NULL;
|
|
|
|
if (list->tail)
|
|
list->tail->next = cell;
|
|
else
|
|
list->head = cell;
|
|
list->tail = cell;
|
|
}
|
|
|
|
|
|
/*
|
|
* Load .psqlrc file, if found.
|
|
*/
|
|
static void
|
|
process_psqlrc(char *argv0)
|
|
{
|
|
char home[MAXPGPATH];
|
|
char rc_file[MAXPGPATH];
|
|
char my_exec_path[MAXPGPATH];
|
|
char etc_path[MAXPGPATH];
|
|
char *envrc = getenv("PSQLRC");
|
|
|
|
if (find_my_exec(argv0, my_exec_path) < 0)
|
|
{
|
|
pg_log_fatal("could not find own program executable");
|
|
exit(EXIT_FAILURE);
|
|
}
|
|
|
|
get_etc_path(my_exec_path, etc_path);
|
|
|
|
snprintf(rc_file, MAXPGPATH, "%s/%s", etc_path, SYSPSQLRC);
|
|
process_psqlrc_file(rc_file);
|
|
|
|
if (envrc != NULL && strlen(envrc) > 0)
|
|
{
|
|
/* might need to free() this */
|
|
char *envrc_alloc = pstrdup(envrc);
|
|
|
|
expand_tilde(&envrc_alloc);
|
|
process_psqlrc_file(envrc_alloc);
|
|
}
|
|
else if (get_home_path(home))
|
|
{
|
|
snprintf(rc_file, MAXPGPATH, "%s/%s", home, PSQLRC);
|
|
process_psqlrc_file(rc_file);
|
|
}
|
|
}
|
|
|
|
|
|
|
|
static void
|
|
process_psqlrc_file(char *filename)
|
|
{
|
|
char *psqlrc_minor,
|
|
*psqlrc_major;
|
|
|
|
#if defined(WIN32) && (!defined(__MINGW32__))
|
|
#define R_OK 4
|
|
#endif
|
|
|
|
psqlrc_minor = psprintf("%s-%s", filename, PG_VERSION);
|
|
psqlrc_major = psprintf("%s-%s", filename, PG_MAJORVERSION);
|
|
|
|
/* check for minor version first, then major, then no version */
|
|
if (access(psqlrc_minor, R_OK) == 0)
|
|
(void) process_file(psqlrc_minor, false);
|
|
else if (access(psqlrc_major, R_OK) == 0)
|
|
(void) process_file(psqlrc_major, false);
|
|
else if (access(filename, R_OK) == 0)
|
|
(void) process_file(filename, false);
|
|
|
|
free(psqlrc_minor);
|
|
free(psqlrc_major);
|
|
}
|
|
|
|
|
|
|
|
/* showVersion
|
|
*
|
|
* This output format is intended to match GNU standards.
|
|
*/
|
|
static void
|
|
showVersion(void)
|
|
{
|
|
puts("psql (PostgreSQL) " PG_VERSION);
|
|
}
|
|
|
|
|
|
|
|
/*
|
|
* Substitute hooks and assign hooks for psql variables.
|
|
*
|
|
* This isn't an amazingly good place for them, but neither is anywhere else.
|
|
*
|
|
* By policy, every special variable that controls any psql behavior should
|
|
* have one or both hooks, even if they're just no-ops. This ensures that
|
|
* the variable will remain present in variables.c's list even when unset,
|
|
* which ensures that it's known to tab completion.
|
|
*/
|
|
|
|
static char *
|
|
bool_substitute_hook(char *newval)
|
|
{
|
|
if (newval == NULL)
|
|
{
|
|
/* "\unset FOO" becomes "\set FOO off" */
|
|
newval = pg_strdup("off");
|
|
}
|
|
else if (newval[0] == '\0')
|
|
{
|
|
/* "\set FOO" becomes "\set FOO on" */
|
|
pg_free(newval);
|
|
newval = pg_strdup("on");
|
|
}
|
|
return newval;
|
|
}
|
|
|
|
static bool
|
|
autocommit_hook(const char *newval)
|
|
{
|
|
return ParseVariableBool(newval, "AUTOCOMMIT", &pset.autocommit);
|
|
}
|
|
|
|
static bool
|
|
on_error_stop_hook(const char *newval)
|
|
{
|
|
return ParseVariableBool(newval, "ON_ERROR_STOP", &pset.on_error_stop);
|
|
}
|
|
|
|
static bool
|
|
quiet_hook(const char *newval)
|
|
{
|
|
return ParseVariableBool(newval, "QUIET", &pset.quiet);
|
|
}
|
|
|
|
static bool
|
|
singleline_hook(const char *newval)
|
|
{
|
|
return ParseVariableBool(newval, "SINGLELINE", &pset.singleline);
|
|
}
|
|
|
|
static bool
|
|
singlestep_hook(const char *newval)
|
|
{
|
|
return ParseVariableBool(newval, "SINGLESTEP", &pset.singlestep);
|
|
}
|
|
|
|
static char *
|
|
fetch_count_substitute_hook(char *newval)
|
|
{
|
|
if (newval == NULL)
|
|
newval = pg_strdup("0");
|
|
return newval;
|
|
}
|
|
|
|
static bool
|
|
fetch_count_hook(const char *newval)
|
|
{
|
|
return ParseVariableNum(newval, "FETCH_COUNT", &pset.fetch_count);
|
|
}
|
|
|
|
static bool
|
|
histfile_hook(const char *newval)
|
|
{
|
|
/*
|
|
* Someday we might try to validate the filename, but for now, this is
|
|
* just a placeholder to ensure HISTFILE is known to tab completion.
|
|
*/
|
|
return true;
|
|
}
|
|
|
|
static char *
|
|
histsize_substitute_hook(char *newval)
|
|
{
|
|
if (newval == NULL)
|
|
newval = pg_strdup("500");
|
|
return newval;
|
|
}
|
|
|
|
static bool
|
|
histsize_hook(const char *newval)
|
|
{
|
|
return ParseVariableNum(newval, "HISTSIZE", &pset.histsize);
|
|
}
|
|
|
|
static char *
|
|
ignoreeof_substitute_hook(char *newval)
|
|
{
|
|
int dummy;
|
|
|
|
/*
|
|
* This tries to mimic the behavior of bash, to wit "If set, the value is
|
|
* the number of consecutive EOF characters which must be typed as the
|
|
* first characters on an input line before bash exits. If the variable
|
|
* exists but does not have a numeric value, or has no value, the default
|
|
* value is 10. If it does not exist, EOF signifies the end of input to
|
|
* the shell." Unlike bash, however, we insist on the stored value
|
|
* actually being a valid integer.
|
|
*/
|
|
if (newval == NULL)
|
|
newval = pg_strdup("0");
|
|
else if (!ParseVariableNum(newval, NULL, &dummy))
|
|
newval = pg_strdup("10");
|
|
return newval;
|
|
}
|
|
|
|
static bool
|
|
ignoreeof_hook(const char *newval)
|
|
{
|
|
return ParseVariableNum(newval, "IGNOREEOF", &pset.ignoreeof);
|
|
}
|
|
|
|
static char *
|
|
echo_substitute_hook(char *newval)
|
|
{
|
|
if (newval == NULL)
|
|
newval = pg_strdup("none");
|
|
return newval;
|
|
}
|
|
|
|
static bool
|
|
echo_hook(const char *newval)
|
|
{
|
|
Assert(newval != NULL); /* else substitute hook messed up */
|
|
if (pg_strcasecmp(newval, "queries") == 0)
|
|
pset.echo = PSQL_ECHO_QUERIES;
|
|
else if (pg_strcasecmp(newval, "errors") == 0)
|
|
pset.echo = PSQL_ECHO_ERRORS;
|
|
else if (pg_strcasecmp(newval, "all") == 0)
|
|
pset.echo = PSQL_ECHO_ALL;
|
|
else if (pg_strcasecmp(newval, "none") == 0)
|
|
pset.echo = PSQL_ECHO_NONE;
|
|
else
|
|
{
|
|
PsqlVarEnumError("ECHO", newval, "none, errors, queries, all");
|
|
return false;
|
|
}
|
|
return true;
|
|
}
|
|
|
|
static bool
|
|
echo_hidden_hook(const char *newval)
|
|
{
|
|
Assert(newval != NULL); /* else substitute hook messed up */
|
|
if (pg_strcasecmp(newval, "noexec") == 0)
|
|
pset.echo_hidden = PSQL_ECHO_HIDDEN_NOEXEC;
|
|
else
|
|
{
|
|
bool on_off;
|
|
|
|
if (ParseVariableBool(newval, NULL, &on_off))
|
|
pset.echo_hidden = on_off ? PSQL_ECHO_HIDDEN_ON : PSQL_ECHO_HIDDEN_OFF;
|
|
else
|
|
{
|
|
PsqlVarEnumError("ECHO_HIDDEN", newval, "on, off, noexec");
|
|
return false;
|
|
}
|
|
}
|
|
return true;
|
|
}
|
|
|
|
static bool
|
|
on_error_rollback_hook(const char *newval)
|
|
{
|
|
Assert(newval != NULL); /* else substitute hook messed up */
|
|
if (pg_strcasecmp(newval, "interactive") == 0)
|
|
pset.on_error_rollback = PSQL_ERROR_ROLLBACK_INTERACTIVE;
|
|
else
|
|
{
|
|
bool on_off;
|
|
|
|
if (ParseVariableBool(newval, NULL, &on_off))
|
|
pset.on_error_rollback = on_off ? PSQL_ERROR_ROLLBACK_ON : PSQL_ERROR_ROLLBACK_OFF;
|
|
else
|
|
{
|
|
PsqlVarEnumError("ON_ERROR_ROLLBACK", newval, "on, off, interactive");
|
|
return false;
|
|
}
|
|
}
|
|
return true;
|
|
}
|
|
|
|
static char *
|
|
comp_keyword_case_substitute_hook(char *newval)
|
|
{
|
|
if (newval == NULL)
|
|
newval = pg_strdup("preserve-upper");
|
|
return newval;
|
|
}
|
|
|
|
static bool
|
|
comp_keyword_case_hook(const char *newval)
|
|
{
|
|
Assert(newval != NULL); /* else substitute hook messed up */
|
|
if (pg_strcasecmp(newval, "preserve-upper") == 0)
|
|
pset.comp_case = PSQL_COMP_CASE_PRESERVE_UPPER;
|
|
else if (pg_strcasecmp(newval, "preserve-lower") == 0)
|
|
pset.comp_case = PSQL_COMP_CASE_PRESERVE_LOWER;
|
|
else if (pg_strcasecmp(newval, "upper") == 0)
|
|
pset.comp_case = PSQL_COMP_CASE_UPPER;
|
|
else if (pg_strcasecmp(newval, "lower") == 0)
|
|
pset.comp_case = PSQL_COMP_CASE_LOWER;
|
|
else
|
|
{
|
|
PsqlVarEnumError("COMP_KEYWORD_CASE", newval,
|
|
"lower, upper, preserve-lower, preserve-upper");
|
|
return false;
|
|
}
|
|
return true;
|
|
}
|
|
|
|
static char *
|
|
histcontrol_substitute_hook(char *newval)
|
|
{
|
|
if (newval == NULL)
|
|
newval = pg_strdup("none");
|
|
return newval;
|
|
}
|
|
|
|
static bool
|
|
histcontrol_hook(const char *newval)
|
|
{
|
|
Assert(newval != NULL); /* else substitute hook messed up */
|
|
if (pg_strcasecmp(newval, "ignorespace") == 0)
|
|
pset.histcontrol = hctl_ignorespace;
|
|
else if (pg_strcasecmp(newval, "ignoredups") == 0)
|
|
pset.histcontrol = hctl_ignoredups;
|
|
else if (pg_strcasecmp(newval, "ignoreboth") == 0)
|
|
pset.histcontrol = hctl_ignoreboth;
|
|
else if (pg_strcasecmp(newval, "none") == 0)
|
|
pset.histcontrol = hctl_none;
|
|
else
|
|
{
|
|
PsqlVarEnumError("HISTCONTROL", newval,
|
|
"none, ignorespace, ignoredups, ignoreboth");
|
|
return false;
|
|
}
|
|
return true;
|
|
}
|
|
|
|
static bool
|
|
prompt1_hook(const char *newval)
|
|
{
|
|
pset.prompt1 = newval ? newval : "";
|
|
return true;
|
|
}
|
|
|
|
static bool
|
|
prompt2_hook(const char *newval)
|
|
{
|
|
pset.prompt2 = newval ? newval : "";
|
|
return true;
|
|
}
|
|
|
|
static bool
|
|
prompt3_hook(const char *newval)
|
|
{
|
|
pset.prompt3 = newval ? newval : "";
|
|
return true;
|
|
}
|
|
|
|
static char *
|
|
verbosity_substitute_hook(char *newval)
|
|
{
|
|
if (newval == NULL)
|
|
newval = pg_strdup("default");
|
|
return newval;
|
|
}
|
|
|
|
static bool
|
|
verbosity_hook(const char *newval)
|
|
{
|
|
Assert(newval != NULL); /* else substitute hook messed up */
|
|
if (pg_strcasecmp(newval, "default") == 0)
|
|
pset.verbosity = PQERRORS_DEFAULT;
|
|
else if (pg_strcasecmp(newval, "verbose") == 0)
|
|
pset.verbosity = PQERRORS_VERBOSE;
|
|
else if (pg_strcasecmp(newval, "terse") == 0)
|
|
pset.verbosity = PQERRORS_TERSE;
|
|
else if (pg_strcasecmp(newval, "sqlstate") == 0)
|
|
pset.verbosity = PQERRORS_SQLSTATE;
|
|
else
|
|
{
|
|
PsqlVarEnumError("VERBOSITY", newval, "default, verbose, terse, sqlstate");
|
|
return false;
|
|
}
|
|
|
|
if (pset.db)
|
|
PQsetErrorVerbosity(pset.db, pset.verbosity);
|
|
return true;
|
|
}
|
|
|
|
static char *
|
|
show_context_substitute_hook(char *newval)
|
|
{
|
|
if (newval == NULL)
|
|
newval = pg_strdup("errors");
|
|
return newval;
|
|
}
|
|
|
|
static bool
|
|
show_context_hook(const char *newval)
|
|
{
|
|
Assert(newval != NULL); /* else substitute hook messed up */
|
|
if (pg_strcasecmp(newval, "never") == 0)
|
|
pset.show_context = PQSHOW_CONTEXT_NEVER;
|
|
else if (pg_strcasecmp(newval, "errors") == 0)
|
|
pset.show_context = PQSHOW_CONTEXT_ERRORS;
|
|
else if (pg_strcasecmp(newval, "always") == 0)
|
|
pset.show_context = PQSHOW_CONTEXT_ALWAYS;
|
|
else
|
|
{
|
|
PsqlVarEnumError("SHOW_CONTEXT", newval, "never, errors, always");
|
|
return false;
|
|
}
|
|
|
|
if (pset.db)
|
|
PQsetErrorContextVisibility(pset.db, pset.show_context);
|
|
return true;
|
|
}
|
|
|
|
static bool
|
|
hide_tableam_hook(const char *newval)
|
|
{
|
|
return ParseVariableBool(newval, "HIDE_TABLEAM", &pset.hide_tableam);
|
|
}
|
|
|
|
static void
|
|
EstablishVariableSpace(void)
|
|
{
|
|
pset.vars = CreateVariableSpace();
|
|
|
|
SetVariableHooks(pset.vars, "AUTOCOMMIT",
|
|
bool_substitute_hook,
|
|
autocommit_hook);
|
|
SetVariableHooks(pset.vars, "ON_ERROR_STOP",
|
|
bool_substitute_hook,
|
|
on_error_stop_hook);
|
|
SetVariableHooks(pset.vars, "QUIET",
|
|
bool_substitute_hook,
|
|
quiet_hook);
|
|
SetVariableHooks(pset.vars, "SINGLELINE",
|
|
bool_substitute_hook,
|
|
singleline_hook);
|
|
SetVariableHooks(pset.vars, "SINGLESTEP",
|
|
bool_substitute_hook,
|
|
singlestep_hook);
|
|
SetVariableHooks(pset.vars, "FETCH_COUNT",
|
|
fetch_count_substitute_hook,
|
|
fetch_count_hook);
|
|
SetVariableHooks(pset.vars, "HISTFILE",
|
|
NULL,
|
|
histfile_hook);
|
|
SetVariableHooks(pset.vars, "HISTSIZE",
|
|
histsize_substitute_hook,
|
|
histsize_hook);
|
|
SetVariableHooks(pset.vars, "IGNOREEOF",
|
|
ignoreeof_substitute_hook,
|
|
ignoreeof_hook);
|
|
SetVariableHooks(pset.vars, "ECHO",
|
|
echo_substitute_hook,
|
|
echo_hook);
|
|
SetVariableHooks(pset.vars, "ECHO_HIDDEN",
|
|
bool_substitute_hook,
|
|
echo_hidden_hook);
|
|
SetVariableHooks(pset.vars, "ON_ERROR_ROLLBACK",
|
|
bool_substitute_hook,
|
|
on_error_rollback_hook);
|
|
SetVariableHooks(pset.vars, "COMP_KEYWORD_CASE",
|
|
comp_keyword_case_substitute_hook,
|
|
comp_keyword_case_hook);
|
|
SetVariableHooks(pset.vars, "HISTCONTROL",
|
|
histcontrol_substitute_hook,
|
|
histcontrol_hook);
|
|
SetVariableHooks(pset.vars, "PROMPT1",
|
|
NULL,
|
|
prompt1_hook);
|
|
SetVariableHooks(pset.vars, "PROMPT2",
|
|
NULL,
|
|
prompt2_hook);
|
|
SetVariableHooks(pset.vars, "PROMPT3",
|
|
NULL,
|
|
prompt3_hook);
|
|
SetVariableHooks(pset.vars, "VERBOSITY",
|
|
verbosity_substitute_hook,
|
|
verbosity_hook);
|
|
SetVariableHooks(pset.vars, "SHOW_CONTEXT",
|
|
show_context_substitute_hook,
|
|
show_context_hook);
|
|
SetVariableHooks(pset.vars, "HIDE_TABLEAM",
|
|
bool_substitute_hook,
|
|
hide_tableam_hook);
|
|
}
|