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Enhance the vtab interface to handle IS, !=, IS NOT, IS NULL and IS NOT NULL

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constraints.

FossilOrigin-Name: 34c8e952616013deb6fffec701ac5989afac9bef1bf92458a2e4ba92c7ee924f
This commit is contained in:
dan
2017-09-09 19:41:12 +00:00
parent 2158a0c7ac
commit d03024d814
9 changed files with 359 additions and 103 deletions
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10
src/test_bestindex.c
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@@ -414,6 +414,16 @@ static int tclBestIndex(sqlite3_vtab *tab, sqlite3_index_info *pIdxInfo){
zOp = "glob"; break;
case SQLITE_INDEX_CONSTRAINT_REGEXP:
zOp = "regexp"; break;
case SQLITE_INDEX_CONSTRAINT_NE:
zOp = "ne"; break;
case SQLITE_INDEX_CONSTRAINT_ISNOT:
zOp = "isnot"; break;
case SQLITE_INDEX_CONSTRAINT_ISNOTNULL:
zOp = "isnotnull"; break;
case SQLITE_INDEX_CONSTRAINT_ISNULL:
zOp = "isnull"; break;
case SQLITE_INDEX_CONSTRAINT_IS:
zOp = "is"; break;
}
Tcl_ListObjAppendElement(0, pElem, Tcl_NewStringObj("op", -1));