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Add routines to print AExpr, Ident, and AConst parsing structures.

This commit is contained in:
Thomas G. Lockhart 1997-12-23 19:50:54 +00:00
parent 2c833a728f
commit 12d5c30c8c
1 changed files with 43 additions and 1 deletions
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44
src/backend/nodes/outfuncs.c
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@ -7,7 +7,7 @@
*
*
* IDENTIFICATION
* $Header: /cvsroot/pgsql/src/backend/nodes/outfuncs.c,v 1.12 1997/12/18 12:53:51 momjian Exp $
* $Header: /cvsroot/pgsql/src/backend/nodes/outfuncs.c,v 1.13 1997/12/23 19:50:54 thomas Exp $
*
* NOTES
* Every (plan) node in POSTGRES has an associated "out" routine which
@ -1547,6 +1547,18 @@ _outStream(StringInfo str, Stream *node)
appendStringInfo(str, buf);
}
static void
_outAExpr(StringInfo str, A_Expr *node)
{
char buf[500];
sprintf(buf, "EXPR %s", node->opname);
appendStringInfo(str, buf);
_outNode(str, node->lexpr);
_outNode(str, node->rexpr);
return;
}
static void
_outValue(StringInfo str, Value *value)
{
@ -1572,6 +1584,27 @@ _outValue(StringInfo str, Value *value)
return;
}
static void
_outIdent(StringInfo str, Ident *node)
{
char buf[500];
sprintf(buf, "IDENT %s", node->name);
appendStringInfo(str, buf);
return;
}
static void
_outAConst(StringInfo str, A_Const *node)
{
char buf[500];
sprintf(buf, "CONST ");
appendStringInfo(str, buf);
_outValue(str, &(node->val));
return;
}
/*
* _outNode -
* converts a Node into ascii string and append it to 'str'
@ -1763,6 +1796,15 @@ _outNode(StringInfo str, void *obj)
case T_Float:
_outValue(str, obj);
break;
case T_A_Expr:
_outAExpr(str, obj);
break;
case T_Ident:
_outIdent(str, obj);
break;
case T_A_Const:
_outAConst(str, obj);
break;
default:
elog(NOTICE, "_outNode: don't know how to print type %d",
nodeTag(obj));