diff options
Diffstat (limited to 'src/backend')
| -rw-r--r-- | src/backend/commands/typecmds.c | 21 |
1 files changed, 14 insertions, 7 deletions
diff --git a/src/backend/commands/typecmds.c b/src/backend/commands/typecmds.c index 320f1c5285c..c36badb54ca 100644 --- a/src/backend/commands/typecmds.c +++ b/src/backend/commands/typecmds.c @@ -912,10 +912,12 @@ DefineDomain(CreateDomainStmt *stmt) pstate = make_parsestate(NULL); /* - * Cook the constr->raw_expr into an expression. Note: - * name is strictly for error message + * Cook the constr->raw_expr into an expression; copy it + * in case the input is in plan cache. Note: name is used + * only for error messages. */ - defaultExpr = cookDefault(pstate, constr->raw_expr, + defaultExpr = cookDefault(pstate, + copyObject(constr->raw_expr), basetypeoid, basetypeMod, domainName, @@ -2248,10 +2250,10 @@ AlterDomainDefault(List *names, Node *defaultRaw) pstate = make_parsestate(NULL); /* - * Cook the colDef->raw_expr into an expression. Note: Name is - * strictly for error message + * Cook the raw default into an expression; copy it in case the input + * is in plan cache. Note: name is used only for error messages. */ - defaultExpr = cookDefault(pstate, defaultRaw, + defaultExpr = cookDefault(pstate, copyObject(defaultRaw), typTup->typbasetype, typTup->typtypmod, NameStr(typTup->typname), @@ -3140,7 +3142,12 @@ domainAddConstraint(Oid domainOid, Oid domainNamespace, Oid baseTypeOid, pstate->p_pre_columnref_hook = replace_domain_constraint_value; pstate->p_ref_hook_state = (void *) domVal; - expr = transformExpr(pstate, constr->raw_expr, EXPR_KIND_DOMAIN_CHECK); + /* + * Transform the expression; first we must copy the input, in case it's in + * plan cache. + */ + expr = transformExpr(pstate, copyObject(constr->raw_expr), + EXPR_KIND_DOMAIN_CHECK); /* * Make sure it yields a boolean result. |