add a full-text index to schema
| 66 | |
| 67 | // add a full-text index to schema |
| 68 | static int Schema_AddFullTextIndex |
| 69 | ( |
| 70 | Index *idx, // [input/output] index to create |
| 71 | Schema *s, // schema holding the index |
| 72 | IndexField *field // field to index |
| 73 | ) { |
| 74 | ASSERT(s != NULL); |
| 75 | ASSERT(idx != NULL); |
| 76 | ASSERT(field != NULL); |
| 77 | |
| 78 | // see if index already exists |
| 79 | Index _idx = NULL; |
| 80 | |
| 81 | //-------------------------------------------------------------------------- |
| 82 | // determine which index to populate |
| 83 | //-------------------------------------------------------------------------- |
| 84 | |
| 85 | // if pending-index exists, reuse it |
| 86 | // if active-index exists, clone it and use clone |
| 87 | // otherwise (first index) create a new index |
| 88 | Index active = ACTIVE_FULLTEXT_IDX(s); |
| 89 | Index pending = PENDING_FULLTEXT_IDX(s); |
| 90 | Index altered = (pending != NULL) ? pending : active; |
| 91 | |
| 92 | if(altered != NULL) { |
| 93 | // make sure attribute isn't already indexed |
| 94 | if(Index_ContainsAttribute(altered, field->id)) { |
| 95 | // field already indexed, quick return |
| 96 | IndexField_Free(field); |
| 97 | return INDEX_FAIL; |
| 98 | } |
| 99 | } |
| 100 | |
| 101 | _idx = pending; |
| 102 | if(pending == NULL) { |
| 103 | if(active != NULL) { |
| 104 | _idx = Index_Clone(active); |
| 105 | } else { |
| 106 | _idx = Index_New(s->name, s->id, IDX_FULLTEXT, GETYPE_NODE); |
| 107 | } |
| 108 | } |
| 109 | PENDING_FULLTEXT_IDX(s) = _idx; // set pending full-text index |
| 110 | |
| 111 | Index_AddField(_idx, field); |
| 112 | |
| 113 | *idx = _idx; |
| 114 | return INDEX_OK; |
| 115 | } |
| 116 | |
| 117 | static int _Schema_RemoveExactMatchIndex |
| 118 | ( |
no test coverage detected