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Assorted minor refactoring in EXPLAIN.

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This is believed to not change the output at all, with one known exception:
"Subquery Scan foo" becomes "Subquery Scan on foo".  (We can fix that if
anyone complains, but it would be a wart, because the old code was clearly
inconsistent.)  The main intention is to remove duplicate coding and
provide a cleaner base for subsequent EXPLAIN patching.

Robert Haas
This commit is contained in:
Tom Lane
2009-07-24 21:08:42 +00:00
parent a7e587863c
commit 8af12bca3b
4 changed files with 292 additions and 439 deletions
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13
src/backend/utils/adt/ruleutils.c
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@ -9,7 +9,7 @@
*
*
* IDENTIFICATION
* $PostgreSQL: pgsql/src/backend/utils/adt/ruleutils.c,v 1.303 2009/07/16 06:33:44 petere Exp $
* $PostgreSQL: pgsql/src/backend/utils/adt/ruleutils.c,v 1.304 2009/07/24 21:08:42 tgl Exp $
*
*-------------------------------------------------------------------------
*/
@ -187,7 +187,6 @@ static RangeTblEntry *find_rte_by_refname(const char *refname,
deparse_context *context);
static const char *get_simple_binary_op_name(OpExpr *expr);
static bool isSimpleNode(Node *node, Node *parentNode, int prettyFlags);
static void appendStringInfoSpaces(StringInfo buf, int count);
static void appendContextKeyword(deparse_context *context, const char *str,
int indentBefore, int indentAfter, int indentPlus);
static void get_rule_expr(Node *node, deparse_context *context,
@ -4172,16 +4171,6 @@ isSimpleNode(Node *node, Node *parentNode, int prettyFlags)
}
/*
* appendStringInfoSpaces - append spaces to buffer
*/
static void
appendStringInfoSpaces(StringInfo buf, int count)
{
while (count-- > 0)
appendStringInfoChar(buf, ' ');
}
/*
* appendContextKeyword - append a keyword to buffer
*