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Update the parser so that sub-queries and CTEs may have WITH clauses.

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FossilOrigin-Name: 704d3931b855562a619769955969d439c42ca406
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dan
2014-01-11 19:19:36 +00:00
parent 8b4718636c
commit 7d562dbe02
6 changed files with 98 additions and 32 deletions
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18
src/build.c
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@@ -4200,22 +4200,26 @@ KeyInfo *sqlite3KeyInfoOfIndex(Parse *pParse, Index *pIdx){
}
#ifndef SQLITE_OMIT_CTE
/* This routine is invoked when a single with_query of a
** common-table-expression has been parsed. Record the query.
/*
** This routine is invoked once per CTE by the parser while parsing a
** WITH clause.
*/
void sqlite3CteAdd(
With *sqlite3WithAdd(
Parse *pParse, /* Parsing context */
With *pWith, /* Existing WITH clause, or NULL */
Token *pName, /* Name of the common-table */
ExprList *pArgList, /* Optional column name list for the table */
IdList *pArglist, /* Optional column name list for the table */
Select *pQuery /* Query used to initialize the table */
){
sqlite3ExprListDelete(pParse->db, pArgList);
sqlite3IdListDelete(pParse->db, pArglist);
sqlite3SelectDelete(pParse->db, pQuery);
return 0;
}
/* This routine is invoked at the end of the entire WITH clause.
/*
** Free the contents of the With object passed as the second argument.
*/
void sqlite3CteFinish(Parse *pParse, int isRecursive){
void sqlite3WithDelete(sqlite3 *db, With *pWith){
/* TBD */
}
#endif /* !defined(SQLITE_OMIT_CTE) */