SQLite: Check-in [2dde3375]

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Overview

Comment:	Fix harmless compiler warnings.
Downloads:	Tarball \| ZIP archive \| SQL archive
Timelines:	family \| ancestors \| descendants \| both \| trunk
Files:	files \| file ages \| folders
SHA1:	2dde3375124198560c8ff15f87aadde2afd722c5
User & Date:	drh 2016-10-05 20:10:32

Context

2016-10-05
20:14		Fix some compiler warnings in fts5. check-in: b066637b user: dan tags: trunk
20:10		Fix harmless compiler warnings. check-in: 2dde3375 user: drh tags: trunk
15:04		Add a test case for the fix in [a596b7c6cc]. check-in: b2ef39b1 user: dan tags: trunk

Changes

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Changes to src/resolve.c.

      int is_agg = 0;             /* True if is an aggregate function */
      int nId;                    /* Number of characters in function name */
      const char *zId;            /* The function name. */
      FuncDef *pDef;              /* Information about the function */
      u8 enc = ENC(pParse->db);   /* The database encoding */

      assert( !ExprHasProperty(pExpr, EP_xIsSelect) );
//      notValid(pParse, pNC, "functions", NC_PartIdx);
      zId = pExpr->u.zToken;
      nId = sqlite3Strlen30(zId);
      pDef = sqlite3FindFunction(pParse->db, zId, n, enc, 0);
      if( pDef==0 ){
        pDef = sqlite3FindFunction(pParse->db, zId, -2, enc, 0);
        if( pDef==0 ){
          no_such_func = 1;

      int is_agg = 0;             /* True if is an aggregate function */
      int nId;                    /* Number of characters in function name */
      const char *zId;            /* The function name. */
      FuncDef *pDef;              /* Information about the function */
      u8 enc = ENC(pParse->db);   /* The database encoding */

      assert( !ExprHasProperty(pExpr, EP_xIsSelect) );

      zId = pExpr->u.zToken;
      nId = sqlite3Strlen30(zId);
      pDef = sqlite3FindFunction(pParse->db, zId, n, enc, 0);
      if( pDef==0 ){
        pDef = sqlite3FindFunction(pParse->db, zId, -2, enc, 0);
        if( pDef==0 ){
          no_such_func = 1;

Changes to src/wherecode.c.

** to the pRight values. This function modifies characters within the
** affinity string to SQLITE_AFF_BLOB if either:
**
**   * the comparison will be performed with no affinity, or
**   * the affinity change in zAff is guaranteed not to change the value.
*/
static void updateRangeAffinityStr(
  Parse *pParse,                  /* Parse context */
  Expr *pRight,                   /* RHS of comparison */
  int n,                          /* Number of vector elements in comparison */
  char *zAff                      /* Affinity string to modify */
){
  int i;
  for(i=0; i<n; i++){
    Expr *p = sqlite3VectorFieldSubexpr(pRight, i);
................................................................................
      if( (pRangeStart->wtFlags & TERM_VNULL)==0
       && sqlite3ExprCanBeNull(pRight)
      ){
        sqlite3VdbeAddOp2(v, OP_IsNull, regBase+nEq, addrNxt);
        VdbeCoverage(v);
      }
      if( zStartAff ){
        updateRangeAffinityStr(pParse, pRight, nBtm, &zStartAff[nEq]);
      }  
      nConstraint += nBtm;
      testcase( pRangeStart->wtFlags & TERM_VIRTUAL );
      if( sqlite3ExprIsVector(pRight)==0 ){
        disableTerm(pLevel, pRangeStart);
      }else{
        startEq = 1;
................................................................................
      if( (pRangeEnd->wtFlags & TERM_VNULL)==0
       && sqlite3ExprCanBeNull(pRight)
      ){
        sqlite3VdbeAddOp2(v, OP_IsNull, regBase+nEq, addrNxt);
        VdbeCoverage(v);
      }
      if( zEndAff ){
        updateRangeAffinityStr(pParse, pRight, nTop, zEndAff);
        codeApplyAffinity(pParse, regBase+nEq, nTop, zEndAff);
      }else{
        assert( pParse->db->mallocFailed );
      }
      nConstraint += nTop;
      testcase( pRangeEnd->wtFlags & TERM_VIRTUAL );

** to the pRight values. This function modifies characters within the
** affinity string to SQLITE_AFF_BLOB if either:
**
**   * the comparison will be performed with no affinity, or
**   * the affinity change in zAff is guaranteed not to change the value.
*/
static void updateRangeAffinityStr(

  Expr *pRight,                   /* RHS of comparison */
  int n,                          /* Number of vector elements in comparison */
  char *zAff                      /* Affinity string to modify */
){
  int i;
  for(i=0; i<n; i++){
    Expr *p = sqlite3VectorFieldSubexpr(pRight, i);
................................................................................
      if( (pRangeStart->wtFlags & TERM_VNULL)==0
       && sqlite3ExprCanBeNull(pRight)
      ){
        sqlite3VdbeAddOp2(v, OP_IsNull, regBase+nEq, addrNxt);
        VdbeCoverage(v);
      }
      if( zStartAff ){
        updateRangeAffinityStr(pRight, nBtm, &zStartAff[nEq]);
      }  
      nConstraint += nBtm;
      testcase( pRangeStart->wtFlags & TERM_VIRTUAL );
      if( sqlite3ExprIsVector(pRight)==0 ){
        disableTerm(pLevel, pRangeStart);
      }else{
        startEq = 1;
................................................................................
      if( (pRangeEnd->wtFlags & TERM_VNULL)==0
       && sqlite3ExprCanBeNull(pRight)
      ){
        sqlite3VdbeAddOp2(v, OP_IsNull, regBase+nEq, addrNxt);
        VdbeCoverage(v);
      }
      if( zEndAff ){
        updateRangeAffinityStr(pRight, nTop, zEndAff);
        codeApplyAffinity(pParse, regBase+nEq, nTop, zEndAff);
      }else{
        assert( pParse->db->mallocFailed );
      }
      nConstraint += nTop;
      testcase( pRangeEnd->wtFlags & TERM_VIRTUAL );