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Add support for multi-row VALUES clauses as part of INSERT statements

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(e.g. "INSERT ... VALUES (...), (...), ...") and elsewhere as allowed
by the spec. (e.g. similar to a FROM clause subselect). initdb required.
Joe Conway and Tom Lane.
This commit is contained in:
Joe Conway
2006-08-02 01:59:48 +00:00
parent d307c428cb
commit 9caafda579
40 changed files with 1877 additions and 313 deletions
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24
src/backend/nodes/copyfuncs.c
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@@ -15,7 +15,7 @@
* Portions Copyright (c) 1994, Regents of the University of California
*
* IDENTIFICATION
* $PostgreSQL: pgsql/src/backend/nodes/copyfuncs.c,v 1.344 2006/07/27 19:52:05 tgl Exp $
* $PostgreSQL: pgsql/src/backend/nodes/copyfuncs.c,v 1.345 2006/08/02 01:59:45 joe Exp $
*
*-------------------------------------------------------------------------
*/
@@ -366,6 +366,22 @@ _copyFunctionScan(FunctionScan *from)
return newnode;
}
/*
* _copyValuesScan
*/
static ValuesScan *
_copyValuesScan(ValuesScan *from)
{
ValuesScan *newnode = makeNode(ValuesScan);
/*
* copy node superclass fields
*/
CopyScanFields((Scan *) from, (Scan *) newnode);
return newnode;
}
/*
* CopyJoinFields
*
@@ -1356,6 +1372,7 @@ _copyRangeTblEntry(RangeTblEntry *from)
COPY_NODE_FIELD(funcexpr);
COPY_NODE_FIELD(funccoltypes);
COPY_NODE_FIELD(funccoltypmods);
COPY_NODE_FIELD(values_lists);
COPY_SCALAR_FIELD(jointype);
COPY_NODE_FIELD(joinaliasvars);
COPY_NODE_FIELD(alias);
@@ -1707,7 +1724,6 @@ _copyInsertStmt(InsertStmt *from)
COPY_NODE_FIELD(relation);
COPY_NODE_FIELD(cols);
COPY_NODE_FIELD(targetList);
COPY_NODE_FIELD(selectStmt);
return newnode;
@@ -1754,6 +1770,7 @@ _copySelectStmt(SelectStmt *from)
COPY_NODE_FIELD(whereClause);
COPY_NODE_FIELD(groupClause);
COPY_NODE_FIELD(havingClause);
COPY_NODE_FIELD(valuesLists);
COPY_NODE_FIELD(sortClause);
COPY_NODE_FIELD(limitOffset);
COPY_NODE_FIELD(limitCount);
@@ -2812,6 +2829,9 @@ copyObject(void *from)
case T_FunctionScan:
retval = _copyFunctionScan(from);
break;
case T_ValuesScan:
retval = _copyValuesScan(from);
break;
case T_Join:
retval = _copyJoin(from);
break;