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Improve parser so that we can show an error cursor position for errors

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during parse analysis, not only errors detected in the flex/bison stages.
This is per my earlier proposal.  This commit includes all the basic
infrastructure, but locations are only tracked and reported for errors
involving column references, function calls, and operators.  More could
be done later but this seems like a good set to start with.  I've also
moved the ReportSyntaxErrorPosition logic out of psql and into libpq,
which should make it available to more people --- even within psql this
is an improvement because warnings weren't handled by ReportSyntaxErrorPosition.
This commit is contained in:
Tom Lane
2006-03-14 22:48:25 +00:00
parent 48fb696753
commit 20ab467d76
80 changed files with 1347 additions and 997 deletions
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30
src/pl/tcl/pltcl.c
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@@ -2,7 +2,7 @@
* pltcl.c - PostgreSQL support for Tcl as
* procedural language (PL)
*
* $PostgreSQL: pgsql/src/pl/tcl/pltcl.c,v 1.100 2006/03/11 16:43:22 momjian Exp $
* $PostgreSQL: pgsql/src/pl/tcl/pltcl.c,v 1.101 2006/03/14 22:48:24 tgl Exp $
*
**********************************************************************/
@@ -1754,7 +1754,6 @@ pltcl_SPI_prepare(ClientData cdata, Tcl_Interp *interp,
pltcl_query_desc *qdesc;
void *plan;
int i;
HeapTuple typeTup;
Tcl_HashEntry *hashent;
int hashnew;
Tcl_HashTable *query_hash;
@@ -1802,33 +1801,18 @@ pltcl_SPI_prepare(ClientData cdata, Tcl_Interp *interp,
************************************************************/
for (i = 0; i < nargs; i++)
{
char *argcopy;
List *names = NIL;
ListCell *l;
TypeName *typename;
List *names;
HeapTuple typeTup;
/************************************************************
* Use SplitIdentifierString() on a copy of the type name,
* turn the resulting pointer list into a TypeName node
* and call typenameType() to get the pg_type tuple.
************************************************************/
argcopy = pstrdup(args[i]);
SplitIdentifierString(argcopy, '.', &names);
typename = makeNode(TypeName);
foreach(l, names)
typename->names = lappend(typename->names, makeString(lfirst(l)));
typeTup = typenameType(typename);
/* Parse possibly-qualified type name and look it up in pg_type */
names = stringToQualifiedNameList(args[i],
"pltcl_SPI_prepare");
typeTup = typenameType(NULL, makeTypeNameFromNameList(names));
qdesc->argtypes[i] = HeapTupleGetOid(typeTup);
perm_fmgr_info(((Form_pg_type) GETSTRUCT(typeTup))->typinput,
&(qdesc->arginfuncs[i]));
qdesc->argtypioparams[i] = getTypeIOParam(typeTup);
ReleaseSysCache(typeTup);
list_free(typename->names);
pfree(typename);
list_free(names);
pfree(argcopy);
}
/************************************************************