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Overview
Comment:Fix a problem with renaming a table when a view or trigger within the schema uses a FILTER with an aggregate function that is not currently registered with the database.
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SHA3-256: 2ac0e42f8ab7a9184c2a2efd13bd50ab51bc01f9f34e9e63591fd18db02dff54
User & Date: dan 2019-08-05 13:19:25.017
Context
2019-08-05
16:22
Improved detection of corruption on the freeblock list of a btree page. (check-in: 4b00799bdf user: drh tags: trunk)
13:19
Fix a problem with renaming a table when a view or trigger within the schema uses a FILTER with an aggregate function that is not currently registered with the database. (check-in: 2ac0e42f8a user: dan tags: trunk)
12:55
Prevent an fts5 table from being its own content table, or part of a view that is the content table. (check-in: b6d52c9364 user: dan tags: trunk)
Changes
Unified Diff Ignore Whitespace Patch
Changes to src/resolve.c.
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            sqlite3WalkExpr(pWalker, pExpr->y.pWin->pFilter);
          }
#endif
          while( pNC2 && !sqlite3FunctionUsesThisSrc(pExpr, pNC2->pSrcList) ){
            pExpr->op2++;
            pNC2 = pNC2->pNext;
          }
          assert( pDef!=0 );
          if( pNC2 ){
            assert( SQLITE_FUNC_MINMAX==NC_MinMaxAgg );
            testcase( (pDef->funcFlags & SQLITE_FUNC_MINMAX)!=0 );
            pNC2->ncFlags |= NC_HasAgg | (pDef->funcFlags & SQLITE_FUNC_MINMAX);

          }
        }
        pNC->ncFlags |= savedAllowFlags;








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            sqlite3WalkExpr(pWalker, pExpr->y.pWin->pFilter);
          }
#endif
          while( pNC2 && !sqlite3FunctionUsesThisSrc(pExpr, pNC2->pSrcList) ){
            pExpr->op2++;
            pNC2 = pNC2->pNext;
          }
          assert( pDef!=0 || IN_RENAME_OBJECT );
          if( pNC2 && pDef ){
            assert( SQLITE_FUNC_MINMAX==NC_MinMaxAgg );
            testcase( (pDef->funcFlags & SQLITE_FUNC_MINMAX)!=0 );
            pNC2->ncFlags |= NC_HasAgg | (pDef->funcFlags & SQLITE_FUNC_MINMAX);

          }
        }
        pNC->ncFlags |= savedAllowFlags;
︙︙
Changes to test/altertab3.test.
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    SELECT (WITH t2 AS (WITH t3 AS (SELECT true)
          SELECT * FROM t3 ORDER BY true COLLATE nocase)
        SELECT 11);

    WITH t4 AS (SELECT * FROM t1) SELECT 33;
  END;
}

do_execsql_test 16.2 {
  ALTER TABLE t1 RENAME TO t1x;
}





















finish_test









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    SELECT (WITH t2 AS (WITH t3 AS (SELECT true)
          SELECT * FROM t3 ORDER BY true COLLATE nocase)
        SELECT 11);

    WITH t4 AS (SELECT * FROM t1) SELECT 33;
  END;
}

do_execsql_test 16.2 {
  ALTER TABLE t1 RENAME TO t1x;
}

#-------------------------------------------------------------------------
reset_db
do_execsql_test 17.1 {
  CREATE TABLE t1(a,b,c);
  CREATE TRIGGER AFTER INSERT ON t1 WHEN new.a NOT NULL BEGIN
    SELECT a () FILTER (WHERE a>0) FROM t1;
  END;
}

do_execsql_test 17.2 {
  ALTER TABLE t1 RENAME TO t1x;
  ALTER TABLE t1x RENAME a TO aaa;
  SELECT sql FROM sqlite_master WHERE type='trigger';
} {
{CREATE TRIGGER AFTER INSERT ON "t1x" WHEN new.aaa NOT NULL BEGIN
    SELECT a () FILTER (WHERE aaa>0) FROM "t1x";
  END}
}


finish_test