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Code review for bigint-LIMIT patch. Fix missed planner dependency,
eliminate unnecessary code, force initdb because stored rules change (limit nodes are now supposed to be int8 not int4 expressions). Update comments and error messages, which still all said 'integer'.
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@ -8,7 +8,7 @@
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*
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*
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* IDENTIFICATION
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* $PostgreSQL: pgsql/src/backend/parser/parse_coerce.c,v 2.142 2006/07/26 00:34:48 momjian Exp $
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* $PostgreSQL: pgsql/src/backend/parser/parse_coerce.c,v 2.143 2006/07/26 19:31:51 tgl Exp $
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*
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*-------------------------------------------------------------------------
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*/
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@ -780,7 +780,8 @@ coerce_record_to_complex(ParseState *pstate, Node *node,
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return (Node *) rowexpr;
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}
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/* coerce_to_boolean()
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/*
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* coerce_to_boolean()
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* Coerce an argument of a construct that requires boolean input
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* (AND, OR, NOT, etc). Also check that input is not a set.
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*
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@ -819,8 +820,9 @@ coerce_to_boolean(ParseState *pstate, Node *node,
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return node;
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}
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/* coerce_to_integer()
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* Coerce an argument of a construct that requires integer input
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/*
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* coerce_to_integer()
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* Coerce an argument of a construct that requires integer input.
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* Also check that input is not a set.
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*
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* Returns the possibly-transformed node tree.
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@ -857,10 +859,11 @@ coerce_to_integer(ParseState *pstate, Node *node,
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return node;
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}
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/* coerce_to_integer64()
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* Coerce an argument of a construct that requires integer input
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* (LIMIT, OFFSET). Also check that input is not a set.
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/*
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* coerce_to_bigint()
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* Coerce an argument of a construct that requires int8 input.
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* Also check that input is not a set.
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*
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* Returns the possibly-transformed node tree.
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*
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@ -868,34 +871,35 @@ coerce_to_integer(ParseState *pstate, Node *node,
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* processing is wanted.
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*/
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Node *
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coerce_to_integer64(ParseState *pstate, Node *node,
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const char *constructName)
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coerce_to_bigint(ParseState *pstate, Node *node,
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const char *constructName)
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{
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Oid inputTypeId = exprType(node);
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Oid inputTypeId = exprType(node);
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if (inputTypeId != INT8OID)
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{
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node = coerce_to_target_type(pstate, node, inputTypeId,
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INT8OID, -1, COERCION_ASSIGNMENT,
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INT8OID, -1,
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COERCION_ASSIGNMENT,
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COERCE_IMPLICIT_CAST);
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if (node == NULL)
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ereport(ERROR,
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(errcode(ERRCODE_DATATYPE_MISMATCH),
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/* translator: first %s is name of a SQL construct, eg LIMIT */
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errmsg("argument of %s must be type integer, not type %s",
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constructName, format_type_be(inputTypeId))));
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ereport(ERROR,
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(errcode(ERRCODE_DATATYPE_MISMATCH),
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/* translator: first %s is name of a SQL construct, eg LIMIT */
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errmsg("argument of %s must be type bigint, not type %s",
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constructName, format_type_be(inputTypeId))));
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}
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if (expression_returns_set(node))
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ereport(ERROR,
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(errcode(ERRCODE_DATATYPE_MISMATCH),
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/* translator: %s is name of a SQL construct, eg LIMIT */
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errmsg("argument of %s must not return a set",
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constructName)));
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(errcode(ERRCODE_DATATYPE_MISMATCH),
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/* translator: %s is name of a SQL construct, eg LIMIT */
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errmsg("argument of %s must not return a set",
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constructName)));
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return node;
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}
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/* select_common_type()
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* Determine the common supertype of a list of input expression types.
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