mirror of
https://git.postgresql.org/git/postgresql.git
synced 2024-09-30 17:11:15 +02:00
Put in explicit checks for implicit index name lengths.
Put in hooks for outer joins by passing a few parameters back and forth in function calls. May not be close to working yet.
This commit is contained in:
parent
03d5c070f0
commit
449020f782
@ -5,7 +5,7 @@
|
||||
*
|
||||
* Copyright (c) 1994, Regents of the University of California
|
||||
*
|
||||
* $Id: analyze.c,v 1.100 1999/02/21 03:48:59 scrappy Exp $
|
||||
* $Id: analyze.c,v 1.101 1999/02/23 07:44:44 thomas Exp $
|
||||
*
|
||||
*-------------------------------------------------------------------------
|
||||
*/
|
||||
@ -240,12 +240,12 @@ transformDeleteStmt(ParseState *pstate, DeleteStmt *stmt)
|
||||
qry->commandType = CMD_DELETE;
|
||||
|
||||
/* set up a range table */
|
||||
makeRangeTable(pstate, stmt->relname, NULL);
|
||||
makeRangeTable(pstate, stmt->relname, NULL, NULL);
|
||||
|
||||
qry->uniqueFlag = NULL;
|
||||
|
||||
/* fix where clause */
|
||||
qry->qual = transformWhereClause(pstate, stmt->whereClause);
|
||||
qry->qual = transformWhereClause(pstate, stmt->whereClause, NULL);
|
||||
qry->hasSubLinks = pstate->p_hasSubLinks;
|
||||
|
||||
qry->rtable = pstate->p_rtable;
|
||||
@ -272,7 +272,7 @@ transformInsertStmt(ParseState *pstate, InsertStmt *stmt)
|
||||
pstate->p_is_insert = true;
|
||||
|
||||
/* set up a range table */
|
||||
makeRangeTable(pstate, stmt->relname, stmt->fromClause);
|
||||
makeRangeTable(pstate, stmt->relname, stmt->fromClause, NULL);
|
||||
|
||||
qry->uniqueFlag = stmt->unique;
|
||||
|
||||
@ -360,7 +360,7 @@ transformInsertStmt(ParseState *pstate, InsertStmt *stmt)
|
||||
}
|
||||
|
||||
/* fix where clause */
|
||||
qry->qual = transformWhereClause(pstate, stmt->whereClause);
|
||||
qry->qual = transformWhereClause(pstate, stmt->whereClause, NULL);
|
||||
|
||||
/*
|
||||
* The havingQual has a similar meaning as "qual" in the where
|
||||
@ -368,7 +368,7 @@ transformInsertStmt(ParseState *pstate, InsertStmt *stmt)
|
||||
* with some additional traversals done in
|
||||
* .../optimizer/plan/planner.c
|
||||
*/
|
||||
qry->havingQual = transformWhereClause(pstate, stmt->havingClause);
|
||||
qry->havingQual = transformWhereClause(pstate, stmt->havingClause, NULL);
|
||||
|
||||
qry->hasSubLinks = pstate->p_hasSubLinks;
|
||||
|
||||
@ -553,6 +553,10 @@ transformCreateStmt(ParseState *pstate, CreateStmt *stmt)
|
||||
CreateSeqStmt *sequence;
|
||||
|
||||
sname = makeTableName(stmt->relname, column->colname, "seq", NULL);
|
||||
if (sname == NULL)
|
||||
elog(ERROR, "CREATE TABLE/SERIAL implicit sequence name must be less than %d characters"
|
||||
"\n\tSum of lengths of '%s' and '%s' must be less than %d",
|
||||
NAMEDATALEN, stmt->relname, column->colname, (NAMEDATALEN-5));
|
||||
|
||||
constraint = makeNode(Constraint);
|
||||
constraint->contype = CONSTR_DEFAULT;
|
||||
@ -581,6 +585,10 @@ transformCreateStmt(ParseState *pstate, CreateStmt *stmt)
|
||||
constraint = makeNode(Constraint);
|
||||
constraint->contype = CONSTR_UNIQUE;
|
||||
constraint->name = makeTableName(stmt->relname, column->colname, "key", NULL);
|
||||
if (constraint->name == NULL)
|
||||
elog(ERROR, "CREATE TABLE/SERIAL implicit index name must be less than %d characters"
|
||||
"\n\tSum of lengths of '%s' and '%s' must be less than %d",
|
||||
NAMEDATALEN, stmt->relname, column->colname, (NAMEDATALEN-5));
|
||||
column->constraints = lappend(column->constraints, constraint);
|
||||
}
|
||||
|
||||
@ -602,6 +610,16 @@ transformCreateStmt(ParseState *pstate, CreateStmt *stmt)
|
||||
constraint = lfirst(clist);
|
||||
switch (constraint->contype)
|
||||
{
|
||||
case CONSTR_NULL:
|
||||
/* We should mark this explicitly,
|
||||
* so we can tell if NULL and NOT NULL are both specified
|
||||
*/
|
||||
if (column->is_not_null)
|
||||
elog(ERROR, "CREATE TABLE/(NOT) NULL conflicting declaration"
|
||||
" for %s.%s", stmt->relname, column->colname);
|
||||
column->is_not_null = FALSE;
|
||||
break;
|
||||
|
||||
case CONSTR_NOTNULL:
|
||||
if (column->is_not_null)
|
||||
elog(ERROR, "CREATE TABLE/NOT NULL already specified"
|
||||
@ -619,6 +637,10 @@ transformCreateStmt(ParseState *pstate, CreateStmt *stmt)
|
||||
case CONSTR_PRIMARY:
|
||||
if (constraint->name == NULL)
|
||||
constraint->name = makeTableName(stmt->relname, "pkey", NULL);
|
||||
if (constraint->name == NULL)
|
||||
elog(ERROR, "CREATE TABLE/PRIMARY KEY implicit index name must be less than %d characters"
|
||||
"\n\tLength of '%s' must be less than %d",
|
||||
NAMEDATALEN, stmt->relname, (NAMEDATALEN-6));
|
||||
if (constraint->keys == NIL)
|
||||
constraint->keys = lappend(constraint->keys, column);
|
||||
dlist = lappend(dlist, constraint);
|
||||
@ -627,6 +649,10 @@ transformCreateStmt(ParseState *pstate, CreateStmt *stmt)
|
||||
case CONSTR_UNIQUE:
|
||||
if (constraint->name == NULL)
|
||||
constraint->name = makeTableName(stmt->relname, column->colname, "key", NULL);
|
||||
if (constraint->name == NULL)
|
||||
elog(ERROR, "CREATE TABLE/UNIQUE implicit index name must be less than %d characters"
|
||||
"\n\tLength of '%s' must be less than %d",
|
||||
NAMEDATALEN, stmt->relname, (NAMEDATALEN-5));
|
||||
if (constraint->keys == NIL)
|
||||
constraint->keys = lappend(constraint->keys, column);
|
||||
dlist = lappend(dlist, constraint);
|
||||
@ -636,6 +662,10 @@ transformCreateStmt(ParseState *pstate, CreateStmt *stmt)
|
||||
constraints = lappend(constraints, constraint);
|
||||
if (constraint->name == NULL)
|
||||
constraint->name = makeTableName(stmt->relname, column->colname, NULL);
|
||||
if (constraint->name == NULL)
|
||||
elog(ERROR, "CREATE TABLE/CHECK implicit constraint name must be less than %d characters"
|
||||
"\n\tSum of lengths of '%s' and '%s' must be less than %d",
|
||||
NAMEDATALEN, stmt->relname, column->colname, (NAMEDATALEN-1));
|
||||
break;
|
||||
|
||||
default:
|
||||
@ -654,6 +684,10 @@ transformCreateStmt(ParseState *pstate, CreateStmt *stmt)
|
||||
case CONSTR_PRIMARY:
|
||||
if (constraint->name == NULL)
|
||||
constraint->name = makeTableName(stmt->relname, "pkey", NULL);
|
||||
if (constraint->name == NULL)
|
||||
elog(ERROR, "CREATE TABLE/PRIMARY KEY implicit index name must be less than %d characters"
|
||||
"\n\tLength of '%s' must be less than %d",
|
||||
NAMEDATALEN, stmt->relname, (NAMEDATALEN-5));
|
||||
dlist = lappend(dlist, constraint);
|
||||
break;
|
||||
|
||||
@ -695,7 +729,7 @@ transformCreateStmt(ParseState *pstate, CreateStmt *stmt)
|
||||
*
|
||||
* Note that this code does not currently look for all possible redundant cases
|
||||
* and either ignore or stop with warning. The create might fail later when
|
||||
* names for indices turn out to be redundant, or a user might have specified
|
||||
* names for indices turn out to be duplicated, or a user might have specified
|
||||
* extra useless indices which might hurt performance. - thomas 1997-12-08
|
||||
*/
|
||||
while (dlist != NIL)
|
||||
@ -728,6 +762,10 @@ transformCreateStmt(ParseState *pstate, CreateStmt *stmt)
|
||||
|
||||
have_pkey = TRUE;
|
||||
index->idxname = makeTableName(stmt->relname, "pkey", NULL);
|
||||
if (index->idxname == NULL)
|
||||
elog(ERROR, "CREATE TABLE/PRIMARY KEY implicit index name must be less than %d characters"
|
||||
"\n\tLength of '%s' must be less than %d",
|
||||
NAMEDATALEN, stmt->relname, (NAMEDATALEN-5));
|
||||
}
|
||||
else
|
||||
index->idxname = NULL;
|
||||
@ -803,7 +841,7 @@ transformIndexStmt(ParseState *pstate, IndexStmt *stmt)
|
||||
qry->commandType = CMD_UTILITY;
|
||||
|
||||
/* take care of the where clause */
|
||||
stmt->whereClause = transformWhereClause(pstate, stmt->whereClause);
|
||||
stmt->whereClause = transformWhereClause(pstate, stmt->whereClause, NULL);
|
||||
qry->hasSubLinks = pstate->p_hasSubLinks;
|
||||
|
||||
stmt->rangetable = pstate->p_rtable;
|
||||
@ -827,7 +865,7 @@ transformExtendStmt(ParseState *pstate, ExtendStmt *stmt)
|
||||
qry->commandType = CMD_UTILITY;
|
||||
|
||||
/* take care of the where clause */
|
||||
stmt->whereClause = transformWhereClause(pstate, stmt->whereClause);
|
||||
stmt->whereClause = transformWhereClause(pstate, stmt->whereClause, NULL);
|
||||
qry->hasSubLinks = pstate->p_hasSubLinks;
|
||||
|
||||
stmt->rangetable = pstate->p_rtable;
|
||||
@ -902,7 +940,7 @@ transformRuleStmt(ParseState *pstate, RuleStmt *stmt)
|
||||
}
|
||||
|
||||
/* take care of the where clause */
|
||||
stmt->whereClause = transformWhereClause(pstate, stmt->whereClause);
|
||||
stmt->whereClause = transformWhereClause(pstate, stmt->whereClause, NULL);
|
||||
qry->hasSubLinks = pstate->p_hasSubLinks;
|
||||
|
||||
qry->utilityStmt = (Node *) stmt;
|
||||
@ -919,11 +957,12 @@ static Query *
|
||||
transformSelectStmt(ParseState *pstate, SelectStmt *stmt)
|
||||
{
|
||||
Query *qry = makeNode(Query);
|
||||
Node *qual;
|
||||
|
||||
qry->commandType = CMD_SELECT;
|
||||
|
||||
/* set up a range table */
|
||||
makeRangeTable(pstate, NULL, stmt->fromClause);
|
||||
makeRangeTable(pstate, NULL, stmt->fromClause, &qual);
|
||||
|
||||
qry->uniqueFlag = stmt->unique;
|
||||
|
||||
@ -933,14 +972,14 @@ transformSelectStmt(ParseState *pstate, SelectStmt *stmt)
|
||||
|
||||
qry->targetList = transformTargetList(pstate, stmt->targetList);
|
||||
|
||||
qry->qual = transformWhereClause(pstate, stmt->whereClause);
|
||||
qry->qual = transformWhereClause(pstate, stmt->whereClause, qual);
|
||||
|
||||
/*
|
||||
* The havingQual has a similar meaning as "qual" in the where
|
||||
* statement. So we can easily use the code from the "where clause"
|
||||
* with some additional traversals done in optimizer/plan/planner.c
|
||||
*/
|
||||
qry->havingQual = transformWhereClause(pstate, stmt->havingClause);
|
||||
qry->havingQual = transformWhereClause(pstate, stmt->havingClause, NULL);
|
||||
|
||||
qry->hasSubLinks = pstate->p_hasSubLinks;
|
||||
|
||||
@ -1006,11 +1045,11 @@ transformUpdateStmt(ParseState *pstate, UpdateStmt *stmt)
|
||||
* the FROM clause is non-standard SQL syntax. We used to be able to
|
||||
* do this with REPLACE in POSTQUEL so we keep the feature.
|
||||
*/
|
||||
makeRangeTable(pstate, stmt->relname, stmt->fromClause);
|
||||
makeRangeTable(pstate, stmt->relname, stmt->fromClause, NULL);
|
||||
|
||||
qry->targetList = transformTargetList(pstate, stmt->targetList);
|
||||
|
||||
qry->qual = transformWhereClause(pstate, stmt->whereClause);
|
||||
qry->qual = transformWhereClause(pstate, stmt->whereClause, NULL);
|
||||
qry->hasSubLinks = pstate->p_hasSubLinks;
|
||||
|
||||
qry->rtable = pstate->p_rtable;
|
||||
|
Loading…
Reference in New Issue
Block a user