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Overview
Comment:Minor simplification of error message generation during compound query code generation.
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SHA3-256: a944719314e0ac2f1954b65668815769eba3ab3e39a74666293b8dea52a184b2
User & Date: drh 2017-09-18 13:16:10
Context
2017-09-18
18:17
Add the sqlite3_mmap_warm() function as an extension in the ext/misc/mmapwarm.c source file. check-in: 1b2de414 user: drh tags: trunk
13:16
Minor simplification of error message generation during compound query code generation. check-in: a9447193 user: drh tags: trunk
09:40
The out-of-bounds read on recovery fix of check-in [378afa16381a222a] caused problems for some corner-case error conditions. This alternative fix appears to work better. check-in: 74f399d8 user: drh tags: trunk
Changes
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Changes to src/select.c.

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  ** the last (right-most) SELECT in the series may have an ORDER BY or LIMIT.
  */
  assert( p && p->pPrior );  /* Calling function guarantees this much */
  assert( (p->selFlags & SF_Recursive)==0 || p->op==TK_ALL || p->op==TK_UNION );
  db = pParse->db;
  pPrior = p->pPrior;
  dest = *pDest;
  if( pPrior->pOrderBy ){
    sqlite3ErrorMsg(pParse,"ORDER BY clause should come after %s not before",
      selectOpName(p->op));
    rc = 1;
    goto multi_select_end;
  }
  if( pPrior->pLimit ){
    sqlite3ErrorMsg(pParse,"LIMIT clause should come after %s not before",
      selectOpName(p->op));
    rc = 1;
    goto multi_select_end;
  }

  v = sqlite3GetVdbe(pParse);
  assert( v!=0 );  /* The VDBE already created by calling function */








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  ** the last (right-most) SELECT in the series may have an ORDER BY or LIMIT.
  */
  assert( p && p->pPrior );  /* Calling function guarantees this much */
  assert( (p->selFlags & SF_Recursive)==0 || p->op==TK_ALL || p->op==TK_UNION );
  db = pParse->db;
  pPrior = p->pPrior;
  dest = *pDest;
  if( pPrior->pOrderBy || pPrior->pLimit ){






    sqlite3ErrorMsg(pParse,"%s clause should come after %s not before",
      pPrior->pOrderBy!=0 ? "ORDER BY" : "LIMIT", selectOpName(p->op));
    rc = 1;
    goto multi_select_end;
  }

  v = sqlite3GetVdbe(pParse);
  assert( v!=0 );  /* The VDBE already created by calling function */