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Resolve compile errors on unix. 

Rename psqlodbc.def -> psqlodbc_win32.def.
Improve internal *declare cursor* handling
a little.

Hiroshi Inoue
This commit is contained in:
Hiroshi Inoue 2001-09-08 02:28:41 +00:00
parent 02b1a7fd51
commit 4ad1b5b766
9 changed files with 121 additions and 56 deletions
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123
src/interfaces/odbc/convert.c
View File

@ -21,6 +21,7 @@
#include <string.h>
#include <ctype.h>
#include "psqlodbc.h"
#ifdef MULTIBYTE
#include "multibyte.h"
#endif
@ -938,6 +939,26 @@ into_table_from(const char *stmt)
return isspace((unsigned char) stmt[4]);
}
/*----------
* Check if the statement is
* SELECT ... FOR UPDATE .....
* This isn't really a strict check but ...
*----------
*/
static BOOL
table_for_update(const char *stmt, int *endpos)
{
const char *wstmt = stmt;
while (isspace((unsigned char) *(++wstmt)));
if (! *wstmt)
return FALSE;
if (strnicmp(wstmt, "update", 6))
return FALSE;
wstmt += 6;
*endpos = wstmt - stmt;
return !wstmt[0] || isspace((unsigned char) wstmt[0]);
}
/*
* This function inserts parameters into an SQL statements.
* It will also modify a SELECT statement for use with declare/fetch cursors.
@ -968,14 +989,17 @@ copy_statement_with_parameters(StatementClass *stmt)
Oid lobj_oid;
int lobj_fd,
retval;
BOOL check_select_into = FALSE; /* select into check */
BOOL check_cursor_ok = FALSE; /* check cursor restriction */
BOOL proc_no_param = TRUE;
unsigned int declare_pos;
unsigned int declare_pos = 0;
ConnectionClass *conn = SC_get_conn(stmt);
ConnInfo *ci = &(conn->connInfo);
BOOL prepare_dummy_cursor = FALSE;
BOOL prepare_dummy_cursor = FALSE;
char token_save[32];
int token_len;
BOOL prev_token_end;
#ifdef DRIVER_CURSOR_IMPLEMENT
BOOL ins_ctrl = FALSE;
BOOL search_from_pos = FALSE;
#endif /* DRIVER_CURSOR_IMPLEMENT */
#ifdef PREPARE_TRIAL
prepare_dummy_cursor = stmt->pre_executing;
@ -1012,7 +1036,7 @@ copy_statement_with_parameters(StatementClass *stmt)
stmt->options.scroll_concurrency = SQL_CONCUR_READ_ONLY;
else if (!stmt->ti || stmt->ntab != 1)
stmt->options.scroll_concurrency = SQL_CONCUR_READ_ONLY;
else ins_ctrl = TRUE;
else search_from_pos = TRUE;
}
#endif /* DRIVER_CURSOR_IMPLEMENT */
@ -1021,7 +1045,10 @@ copy_statement_with_parameters(StatementClass *stmt)
sprintf(stmt->cursor_name, "SQL_CUR%p", stmt);
oldstmtlen = strlen(old_statement);
CVT_INIT(oldstmtlen);
stmt->miscinfo = 0;
token_len = 0;
prev_token_end = TRUE;
/* For selects, prepend a declare cursor to the statement */
if (stmt->statement_type == STMT_TYPE_SELECT)
{
@ -1035,10 +1062,10 @@ copy_statement_with_parameters(StatementClass *stmt)
}
else if (ci->drivers.use_declarefetch)
SC_set_fetchcursor(stmt);
sprintf(new_statement, "%s declare %s cursor for ",
sprintf(new_statement, "%sdeclare %s cursor for ",
new_statement, stmt->cursor_name);
npos = strlen(new_statement);
check_select_into = TRUE;
check_cursor_ok = TRUE;
declare_pos = npos;
}
}
@ -1176,28 +1203,68 @@ copy_statement_with_parameters(StatementClass *stmt)
in_escape = TRUE;
else if (oldchar == '\"')
in_dquote = TRUE;
else if (check_select_into && /* select into check */
opos > 0 &&
isspace((unsigned char) old_statement[opos - 1]) &&
into_table_from(&old_statement[opos]))
else
{
stmt->statement_type = STMT_TYPE_CREATE;
SC_no_pre_executable(stmt);
SC_no_fetchcursor(stmt);
stmt->options.scroll_concurrency = SQL_CONCUR_READ_ONLY;
memmove(new_statement, new_statement + declare_pos, npos - declare_pos);
npos -= declare_pos;
}
if (isspace(oldchar))
{
if (!prev_token_end)
{
prev_token_end = TRUE;
token_save[token_len] = '\0';
if (token_len == 4)
{
if (check_cursor_ok &&
into_table_from(&old_statement[opos - token_len]))
{
stmt->statement_type = STMT_TYPE_CREATE;
SC_no_pre_executable(stmt);
SC_no_fetchcursor(stmt);
stmt->options.scroll_concurrency = SQL_CONCUR_READ_ONLY;
memmove(new_statement, new_statement + declare_pos, npos - declare_pos);
npos -= declare_pos;
}
#ifdef DRIVER_CURSOR_IMPLEMENT
else if (ins_ctrl && /* select into check */
opos > 0 &&
isspace((unsigned char) old_statement[opos - 1]) &&
strnicmp(&old_statement[opos], "from", 4) == 0)
{
ins_ctrl = FALSE;
CVT_APPEND_STR(", CTID, OID ");
}
else if (search_from_pos && /* where's from clause */
strnicmp(token_save, "from", 4) == 0)
{
search_from_pos = FALSE;
npos -= 5;
CVT_APPEND_STR(", CTID, OID from");
}
#endif /* DRIVER_CURSOR_IMPLEMENT */
}
if (token_len == 3)
{
int endpos;
if (check_cursor_ok &&
strnicmp(token_save, "for", 3) == 0 &&
table_for_update(&old_statement[opos], &endpos))
{
SC_no_fetchcursor(stmt);
stmt->options.scroll_concurrency = SQL_CONCUR_READ_ONLY;
if (prepare_dummy_cursor)
{
npos -= 4;
opos += endpos;
}
else
{
memmove(new_statement, new_statement + declare_pos, npos - declare_pos);
npos -= declare_pos;
}
}
}
}
}
else if (prev_token_end)
{
prev_token_end = FALSE;
token_save[0] = oldchar;
token_len = 1;
}
else
token_save[token_len++] = oldchar;
}
CVT_APPEND_CHAR(oldchar);
continue;
}
@ -1634,7 +1701,7 @@ copy_statement_with_parameters(StatementClass *stmt)
}
#ifdef DRIVER_CURSOR_IMPLEMENT
if (ins_ctrl)
if (search_from_pos)
stmt->options.scroll_concurrency = SQL_CONCUR_READ_ONLY;
#endif /* DRIVER_CURSOR_IMPLEMENT */
#ifdef PREPARE_TRIAL
@ -2142,7 +2209,7 @@ decode(const char *in, char *out)
*-------
*/
int
convert_lo(StatementClass *stmt, void *value, Int2 fCType, PTR rgbValue,
convert_lo(StatementClass *stmt, const void *value, Int2 fCType, PTR rgbValue,
SDWORD cbValueMax, SDWORD *pcbValue)
{
Oid oid;

4
src/interfaces/odbc/convert.h
View File

@ -29,8 +29,8 @@ typedef struct
int ss;
} SIMPLE_TIME;
int copy_and_convert_field_bindinfo(StatementClass *stmt, Int4 field_type, const void *value, int col);
int copy_and_convert_field(StatementClass *stmt, Int4 field_type, const void *value, Int2 fCType,
int copy_and_convert_field_bindinfo(StatementClass *stmt, Int4 field_type, void *value, int col);
int copy_and_convert_field(StatementClass *stmt, Int4 field_type, void *value, Int2 fCType,
PTR rgbValue, SDWORD cbValueMax, SDWORD *pcbValue);
int copy_statement_with_parameters(StatementClass *stmt);

2
src/interfaces/odbc/execute.c
View File

@ -458,11 +458,11 @@ PGAPI_Cancel(
static char *func = "PGAPI_Cancel";
StatementClass *stmt = (StatementClass *) hstmt;
RETCODE result;
ConnInfo *ci;
#ifdef WIN32
HMODULE hmodule;
FARPROC addr;
ConnInfo *ci;
#endif

16
src/interfaces/odbc/gpps.c
View File

@ -51,15 +51,15 @@
* ODBCINST_INI
*/
DWORD
GetPrivateProfileString(char *theSection, /* section name */
char *theKey, /* search key name */
char *theDefault, /* default value if not
GetPrivateProfileString(const char *theSection, /* section name */
const char *theKey, /* search key name */
const char *theDefault, /* default value if not
* found */
char *theReturnBuffer, /* return value stored
* here */
size_t theReturnBufferLength, /* byte length of return
* buffer */
char *theIniFileName) /* pathname of ini file to
const char *theIniFileName) /* pathname of ini file to
* search */
{
char buf[MAXPGPATH];
@ -273,10 +273,10 @@ GetPrivateProfileString(char *theSection, /* section name */
DWORD
WritePrivateProfileString(char *theSection, /* section name */
char *theKey, /* write key name */
char *theBuffer, /* input buffer */
char *theIniFileName) /* pathname of ini file to
WritePrivateProfileString(const char *theSection, /* section name */
const char *theKey, /* write key name */
const char *theBuffer, /* input buffer */
const char *theIniFileName) /* pathname of ini file to
* write */
{
return 0;

16
src/interfaces/odbc/gpps.h
View File

@ -17,22 +17,22 @@ extern "C"
#endif
DWORD
GetPrivateProfileString(char *theSection, /* section name */
char *theKey, /* search key name */
char *theDefault, /* default value if not
GetPrivateProfileString(const char *theSection, /* section name */
const char *theKey, /* search key name */
const char *theDefault, /* default value if not
* found */
char *theReturnBuffer, /* return valuse stored
* here */
size_t theBufferLength, /* byte length of return
* buffer */
char *theIniFileName); /* pathname of ini file
const char *theIniFileName); /* pathname of ini file
* to search */
DWORD
WritePrivateProfileString(char *theSection, /* section name */
char *theKey, /* write key name */
char *theBuffer, /* input buffer */
char *theIniFileName); /* pathname of ini file
WritePrivateProfileString(const char *theSection, /* section name */
const char *theKey, /* write key name */
const char *theBuffer, /* input buffer */
const char *theIniFileName); /* pathname of ini file
* to write */
#ifdef __cplusplus

0
src/interfaces/odbc/psqlodbc.def → src/interfaces/odbc/psqlodbc_win32.def
View File

4
src/interfaces/odbc/qresult.c
View File

@ -32,8 +32,6 @@
#define FALSE (BOOL)0
#endif
extern GLOBAL_VALUES globals;
/*
* Used for building a Manual Result only
@ -119,7 +117,7 @@ QR_Constructor()
rv->cursor = NULL;
rv->aborted = FALSE;
rv->cache_size = globals.fetch_max;
rv->cache_size = 0;
rv->rowset_size = 1;
}

4
src/interfaces/odbc/statement.h
View File

@ -232,10 +232,10 @@ struct StatementClass_
/* misc info */
#define SC_set_pre_executable(a) (a->miscinfo |= 1L)
#define SC_no_pre_executable(a) (a->miscinfo &= ~1L)
#define SC_is_pre_executable(a) (a->miscinfo & 1L != 0)
#define SC_is_pre_executable(a) ((a->miscinfo & 1L) != 0)
#define SC_set_fetchcursor(a) (a->miscinfo |= 2L)
#define SC_no_fetchcursor(a) (a->miscinfo &= ~2L)
#define SC_is_fetchcursor(a) (a->miscinfo & 2L != 0)
#define SC_is_fetchcursor(a) ((a->miscinfo & 2L) != 0)
/* Statement prototypes */
StatementClass *SC_Constructor(void);

8
src/interfaces/odbc/win32.mak
View File

@ -139,8 +139,8 @@ BSC32_FLAGS=/nologo /o"$(OUTDIR)\psqlodbc.bsc"
BSC32_SBRS= \
LINK32=link.exe
LINK32_FLAGS=kernel32.lib user32.lib gdi32.lib winspool.lib comdlg32.lib advapi32.lib shell32.lib ole32.lib oleaut32.lib uuid.lib odbc32.lib odbccp32.lib wsock32.lib /nologo /dll /incremental:no /pdb:"$(OUTDIR)\psqlodbc.pdb" /machine:I386 /def:"psqlodbc.def" /out:"$(OUTDIR)\psqlodbc.dll" /implib:"$(OUTDIR)\psqlodbc.lib"
DEF_FILE= "psqlodbc.def"
LINK32_FLAGS=kernel32.lib user32.lib gdi32.lib winspool.lib comdlg32.lib advapi32.lib shell32.lib ole32.lib oleaut32.lib uuid.lib odbc32.lib odbccp32.lib wsock32.lib /nologo /dll /incremental:no /pdb:"$(OUTDIR)\psqlodbc.pdb" /machine:I386 /def:"psqlodbc_win32.def" /out:"$(OUTDIR)\psqlodbc.dll" /implib:"$(OUTDIR)\psqlodbc.lib"
DEF_FILE= "psqlodbc_win32.def"
LINK32_OBJS= \
"$(INTDIR)\bind.obj" \
"$(INTDIR)\columninfo.obj" \
@ -277,8 +277,8 @@ BSC32_FLAGS=/nologo /o"$(OUTDIR)\psqlodbc.bsc"
BSC32_SBRS= \
LINK32=link.exe
LINK32_FLAGS=kernel32.lib user32.lib gdi32.lib winspool.lib comdlg32.lib advapi32.lib shell32.lib ole32.lib oleaut32.lib uuid.lib odbc32.lib odbccp32.lib wsock32.lib /nologo /dll /incremental:yes /pdb:"$(OUTDIR)\psqlodbc.pdb" /debug /machine:I386 /def:"psqlodbc.def" /out:"$(OUTDIR)\psqlodbc.dll" /implib:"$(OUTDIR)\psqlodbc.lib" /pdbtype:sept
DEF_FILE= "psqlodbc.def"
LINK32_FLAGS=kernel32.lib user32.lib gdi32.lib winspool.lib comdlg32.lib advapi32.lib shell32.lib ole32.lib oleaut32.lib uuid.lib odbc32.lib odbccp32.lib wsock32.lib /nologo /dll /incremental:yes /pdb:"$(OUTDIR)\psqlodbc.pdb" /debug /machine:I386 /def:"psqlodbc_win32.def" /out:"$(OUTDIR)\psqlodbc.dll" /implib:"$(OUTDIR)\psqlodbc.lib" /pdbtype:sept
DEF_FILE= "psqlodbc_win32.def"
LINK32_OBJS= \
"$(INTDIR)\bind.obj" \
"$(INTDIR)\columninfo.obj" \