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| 1 | +/* <begin connected objects> */ |
| 2 | +/* |
| 3 | +This file is auto generated by pgrx. |
| 4 | +
|
| 5 | +The ordering of items is not stable, it is driven by a dependency graph. |
| 6 | +*/ |
| 7 | +/* </end connected objects> */ |
| 8 | + |
| 9 | +/* <begin connected objects> */ |
| 10 | +-- pgvectorscale/src/access_method/mod.rs:38 |
| 11 | +-- vectorscale::access_method::amhandler |
| 12 | + |
| 13 | + CREATE OR REPLACE FUNCTION diskann_amhandler(internal) RETURNS index_am_handler PARALLEL SAFE IMMUTABLE STRICT COST 0.0001 LANGUAGE c AS '$libdir/vectorscale-0.7.0', 'amhandler_wrapper'; |
| 14 | + |
| 15 | + DO $$ |
| 16 | + DECLARE |
| 17 | + c int; |
| 18 | + BEGIN |
| 19 | + SELECT count(*) |
| 20 | + INTO c |
| 21 | + FROM pg_catalog.pg_am a |
| 22 | + WHERE a.amname = 'diskann'; |
| 23 | + |
| 24 | + IF c = 0 THEN |
| 25 | + CREATE ACCESS METHOD diskann TYPE INDEX HANDLER diskann_amhandler; |
| 26 | + END IF; |
| 27 | + END; |
| 28 | + $$; |
| 29 | +/* </end connected objects> */ |
| 30 | + |
| 31 | +/* <begin connected objects> */ |
| 32 | +-- pgvectorscale/src/access_method/distance.rs:47 |
| 33 | +-- vectorscale::access_method::distance::distance_type_cosine |
| 34 | +CREATE OR REPLACE FUNCTION "distance_type_cosine"() RETURNS smallint /* i16 */ |
| 35 | +IMMUTABLE STRICT PARALLEL SAFE |
| 36 | +LANGUAGE c /* Rust */ |
| 37 | +AS '$libdir/vectorscale-0.7.0', 'distance_type_cosine_wrapper'; |
| 38 | +/* </end connected objects> */ |
| 39 | + |
| 40 | +/* <begin connected objects> */ |
| 41 | +-- pgvectorscale/src/access_method/distance.rs:57 |
| 42 | +-- vectorscale::access_method::distance::distance_type_inner_product |
| 43 | +CREATE OR REPLACE FUNCTION "distance_type_inner_product"() RETURNS smallint /* i16 */ |
| 44 | +IMMUTABLE STRICT PARALLEL SAFE |
| 45 | +LANGUAGE c /* Rust */ |
| 46 | +AS '$libdir/vectorscale-0.7.0', 'distance_type_inner_product_wrapper'; |
| 47 | +/* </end connected objects> */ |
| 48 | + |
| 49 | +/* <begin connected objects> */ |
| 50 | +-- pgvectorscale/src/access_method/distance.rs:52 |
| 51 | +-- vectorscale::access_method::distance::distance_type_l2 |
| 52 | +CREATE OR REPLACE FUNCTION "distance_type_l2"() RETURNS smallint /* i16 */ |
| 53 | +IMMUTABLE STRICT PARALLEL SAFE |
| 54 | +LANGUAGE c /* Rust */ |
| 55 | +AS '$libdir/vectorscale-0.7.0', 'distance_type_l2_wrapper'; |
| 56 | +/* </end connected objects> */ |
| 57 | + |
| 58 | +/* <begin connected objects> */ |
| 59 | +-- pgvectorscale/src/access_method/mod.rs:290 |
| 60 | +-- vectorscale::access_method::smallint_array_overlap |
| 61 | +CREATE FUNCTION "smallint_array_overlap"( |
| 62 | + "left" smallint[], /* pgrx::datum::array::Array<i16> */ |
| 63 | + "right" smallint[] /* pgrx::datum::array::Array<i16> */ |
| 64 | +) RETURNS bool /* bool */ |
| 65 | +IMMUTABLE STRICT PARALLEL SAFE |
| 66 | +LANGUAGE c /* Rust */ |
| 67 | +AS '$libdir/vectorscale-0.7.0', 'smallint_array_overlap_wrapper'; |
| 68 | +/* </end connected objects> */ |
| 69 | + |
| 70 | +/* <begin connected objects> */ |
| 71 | +-- pgvectorscale/src/access_method/mod.rs:172 |
| 72 | +-- requires: |
| 73 | +-- amhandler |
| 74 | +-- distance_type_cosine |
| 75 | +-- distance_type_l2 |
| 76 | +-- distance_type_inner_product |
| 77 | +-- smallint_array_overlap |
| 78 | + |
| 79 | + |
| 80 | +DO $$ |
| 81 | +DECLARE |
| 82 | + have_cos_ops int; |
| 83 | + have_l2_ops int; |
| 84 | + have_ip_ops int; |
| 85 | + have_label_ops int; |
| 86 | +BEGIN |
| 87 | + -- Has cosine operator class been installed previously? |
| 88 | + SELECT count(*) |
| 89 | + INTO have_cos_ops |
| 90 | + FROM pg_catalog.pg_opclass c |
| 91 | + WHERE c.opcname = 'vector_cosine_ops' |
| 92 | + AND c.opcmethod = (SELECT oid FROM pg_catalog.pg_am am WHERE am.amname = 'diskann') |
| 93 | + AND c.opcnamespace = (SELECT oid FROM pg_catalog.pg_namespace where nspname='@extschema@'); |
| 94 | + |
| 95 | + -- Has L2 operator class been installed previously? |
| 96 | + SELECT count(*) |
| 97 | + INTO have_l2_ops |
| 98 | + FROM pg_catalog.pg_opclass c |
| 99 | + WHERE c.opcname = 'vector_l2_ops' |
| 100 | + AND c.opcmethod = (SELECT oid FROM pg_catalog.pg_am am WHERE am.amname = 'diskann') |
| 101 | + AND c.opcnamespace = (SELECT oid FROM pg_catalog.pg_namespace where nspname='@extschema@'); |
| 102 | + |
| 103 | + -- Has inner product operator class been installed previously? |
| 104 | + SELECT count(*) |
| 105 | + INTO have_ip_ops |
| 106 | + FROM pg_catalog.pg_opclass c |
| 107 | + WHERE c.opcname = 'vector_ip_ops' |
| 108 | + AND c.opcmethod = (SELECT oid FROM pg_catalog.pg_am am WHERE am.amname = 'diskann') |
| 109 | + AND c.opcnamespace = (SELECT oid FROM pg_catalog.pg_namespace where nspname='@extschema@'); |
| 110 | + |
| 111 | + -- Has label-filtering support been installed previously? |
| 112 | + SELECT count(*) |
| 113 | + INTO have_label_ops |
| 114 | + FROM pg_catalog.pg_opclass c |
| 115 | + WHERE c.opcname = 'vector_smallint_label_ops' |
| 116 | + AND c.opcmethod = (SELECT oid FROM pg_catalog.pg_am am WHERE am.amname = 'diskann') |
| 117 | + AND c.opcnamespace = (SELECT oid FROM pg_catalog.pg_namespace where nspname='@extschema@'); |
| 118 | + |
| 119 | + IF have_cos_ops = 0 THEN |
| 120 | + CREATE OPERATOR CLASS vector_cosine_ops DEFAULT |
| 121 | + FOR TYPE vector USING diskann AS |
| 122 | + OPERATOR 1 <=> (vector, vector) FOR ORDER BY float_ops, |
| 123 | + FUNCTION 1 distance_type_cosine(); |
| 124 | + ELSIF have_l2_ops = 0 THEN |
| 125 | + -- Upgrade from 0.4.0 to 0.5.0. Update cosine opclass to include |
| 126 | + -- the distance_type_cosine function. |
| 127 | + INSERT INTO pg_amproc (oid, amprocfamily, amproclefttype, amprocrighttype, amprocnum, amproc) |
| 128 | + SELECT (select (max(oid)::int + 1)::oid from pg_amproc), c.opcfamily, c.opcintype, c.opcintype, 1, '@extschema@.distance_type_l2'::regproc |
| 129 | + FROM pg_opclass c, pg_am a |
| 130 | + WHERE a.oid = c.opcmethod AND c.opcname = 'vector_cosine_ops' AND a.amname = 'diskann'; |
| 131 | + END IF; |
| 132 | + |
| 133 | + IF have_l2_ops = 0 THEN |
| 134 | + CREATE OPERATOR CLASS vector_l2_ops |
| 135 | + FOR TYPE vector USING diskann AS |
| 136 | + OPERATOR 1 <-> (vector, vector) FOR ORDER BY float_ops, |
| 137 | + FUNCTION 1 distance_type_l2(); |
| 138 | + END IF; |
| 139 | + |
| 140 | + IF have_ip_ops = 0 THEN |
| 141 | + CREATE OPERATOR CLASS vector_ip_ops |
| 142 | + FOR TYPE vector USING diskann AS |
| 143 | + OPERATOR 1 <#> (vector, vector) FOR ORDER BY float_ops, |
| 144 | + FUNCTION 1 distance_type_inner_product(); |
| 145 | + END IF; |
| 146 | + |
| 147 | + -- First, check if the && operator exists for smallint[] |
| 148 | + IF NOT EXISTS ( |
| 149 | + SELECT 1 FROM pg_operator |
| 150 | + WHERE oprname = '&&' |
| 151 | + AND oprleft = 'smallint[]'::regtype |
| 152 | + AND oprright = 'smallint[]'::regtype |
| 153 | + ) THEN |
| 154 | + -- Create the && operator for smallint[] |
| 155 | + CREATE OPERATOR && ( |
| 156 | + LEFTARG = smallint[], |
| 157 | + RIGHTARG = smallint[], |
| 158 | + PROCEDURE = smallint_array_overlap, |
| 159 | + COMMUTATOR = &&, |
| 160 | + RESTRICT = contsel, |
| 161 | + JOIN = contjoinsel |
| 162 | + ); |
| 163 | + |
| 164 | + -- Register the operator with the system catalogs for proper selectivity estimation |
| 165 | + -- This is done by adding entries to pg_amop for the array_ops operator class |
| 166 | + EXECUTE format( |
| 167 | + 'ALTER OPERATOR FAMILY array_ops USING btree ADD OPERATOR 3 && (smallint[], smallint[]) FOR SEARCH' |
| 168 | + ); |
| 169 | + END IF; |
| 170 | + |
| 171 | + IF have_label_ops = 0 THEN |
| 172 | + CREATE OPERATOR CLASS vector_smallint_label_ops |
| 173 | + DEFAULT FOR TYPE smallint[] USING diskann AS |
| 174 | + OPERATOR 1 &&; |
| 175 | + END IF; |
| 176 | +END; |
| 177 | +$$; |
| 178 | +/* </end connected objects> */ |
| 179 | + |
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