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Code review for LIKE INCLUDING CONSTRAINTS patch --- improve comments,

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don't cheat on the raw-vs-cooked status of a constraint.
This commit is contained in:
Tom Lane
2006-10-11 16:42:59 +00:00
parent 3f16647960
commit 8f2f180ff1
3 changed files with 152 additions and 116 deletions
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27
src/backend/parser/analyze.c
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@ -6,7 +6,7 @@
* Portions Copyright (c) 1996-2006, PostgreSQL Global Development Group
* Portions Copyright (c) 1994, Regents of the University of California
*
* $PostgreSQL: pgsql/src/backend/parser/analyze.c,v 1.352 2006/10/04 00:29:55 momjian Exp $
* $PostgreSQL: pgsql/src/backend/parser/analyze.c,v 1.353 2006/10/11 16:42:59 tgl Exp $
*
*-------------------------------------------------------------------------
*/
@ -1286,12 +1286,10 @@ transformInhRelation(ParseState *pstate, CreateStmtContext *cxt,
InhRelation *inhRelation)
{
AttrNumber parent_attno;
Relation relation;
TupleDesc tupleDesc;
TupleConstr *constr;
AclResult aclresult;
bool including_defaults = false;
bool including_constraints = false;
bool including_indexes = false;
@ -1342,15 +1340,18 @@ transformInhRelation(ParseState *pstate, CreateStmtContext *cxt,
including_indexes = false;
break;
default:
elog(ERROR, "unrecognized CREATE TABLE LIKE option: %d", option);
elog(ERROR, "unrecognized CREATE TABLE LIKE option: %d",
option);
}
}
if (including_indexes)
elog(ERROR, "TODO");
ereport(ERROR,
(errcode(ERRCODE_FEATURE_NOT_SUPPORTED),
errmsg("LIKE INCLUDING INDEXES is not implemented")));
/*
* Insert the inherited attributes into the cxt for the new table
* Insert the copied attributes into the cxt for the new table
* definition.
*/
for (parent_attno = 1; parent_attno <= tupleDesc->natts;
@ -1367,7 +1368,7 @@ transformInhRelation(ParseState *pstate, CreateStmtContext *cxt,
continue;
/*
* Create a new inherited column.
* Create a new column, which is marked as NOT inherited.
*
* For constraints, ONLY the NOT NULL constraint is inherited by the
* new column definition per SQL99.
@ -1389,7 +1390,7 @@ transformInhRelation(ParseState *pstate, CreateStmtContext *cxt,
cxt->columns = lappend(cxt->columns, def);
/*
* Copy default if any, and the default has been requested
* Copy default, if present and the default has been requested
*/
if (attribute->atthasdef && including_defaults)
{
@ -1419,10 +1420,14 @@ transformInhRelation(ParseState *pstate, CreateStmtContext *cxt,
}
}
/*
* Copy CHECK constraints if requested, being careful to adjust
* attribute numbers
*/
if (including_constraints && tupleDesc->constr)
{
int ccnum;
AttrNumber *attmap = varattnos_map_schema(tupleDesc, cxt->columns);
int ccnum;
for (ccnum = 0; ccnum < tupleDesc->constr->num_check; ccnum++)
{
@ -1435,8 +1440,8 @@ transformInhRelation(ParseState *pstate, CreateStmtContext *cxt,
n->contype = CONSTR_CHECK;
n->name = pstrdup(ccname);
n->raw_expr = ccbin_node;
n->cooked_expr = NULL;
n->raw_expr = NULL;
n->cooked_expr = nodeToString(ccbin_node);
n->indexspace = NULL;
cxt->ckconstraints = lappend(cxt->ckconstraints, (Node *) n);
}