mirror of
https://github.com/pgvector/pgvector.git
synced 2026-07-11 23:26:55 +08:00
First commit
This commit is contained in:
Andrew Kane
19
expected/btree.out
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19
expected/btree.out
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@@ -0,0 +1,19 @@
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SET client_min_messages = warning;
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CREATE EXTENSION IF NOT EXISTS vector;
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SET enable_seqscan = off;
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CREATE TABLE t (val vector(3));
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INSERT INTO t (val) VALUES ('[0,0,0]'), ('[1,2,3]'), ('[1,1,1]'), (NULL);
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CREATE INDEX ON t (val);
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SELECT * FROM t WHERE val = '[1,2,3]';
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val
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---------
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[1,2,3]
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(1 row)
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SELECT * FROM t ORDER BY val LIMIT 1;
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val
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---------
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[0,0,0]
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(1 row)
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DROP TABLE t;
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30
expected/cast.out
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30
expected/cast.out
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@@ -0,0 +1,30 @@
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SET client_min_messages = warning;
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CREATE EXTENSION IF NOT EXISTS vector;
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SELECT ARRAY[1,2,3]::vector;
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array
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---------
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[1,2,3]
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(1 row)
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SELECT ARRAY[1,2,3]::float4[]::vector;
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array
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---------
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[1,2,3]
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(1 row)
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SELECT ARRAY[1,2,3]::float8[]::vector;
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array
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---------
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[1,2,3]
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(1 row)
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SELECT '{NULL}'::real[]::vector;
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ERROR: array must not containing NULLs
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SELECT '{NaN}'::real[]::vector;
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ERROR: NaN not allowed in vector
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SELECT '{Infinity}'::real[]::vector;
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ERROR: infinite value not allowed in vector
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SELECT '{-Infinity}'::real[]::vector;
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ERROR: infinite value not allowed in vector
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SELECT '{}'::real[]::vector;
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ERROR: vector must have at least 1 dimension
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56
expected/functions.out
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56
expected/functions.out
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@@ -0,0 +1,56 @@
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SET client_min_messages = warning;
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CREATE EXTENSION IF NOT EXISTS vector;
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SELECT '[1,2,3]'::vector + '[4,5,6]';
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?column?
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----------
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[5,7,9]
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(1 row)
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SELECT '[1,2,3]'::vector - '[4,5,6]';
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?column?
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------------
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[-3,-3,-3]
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(1 row)
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SELECT vector_dims('[1,2,3]');
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vector_dims
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-------------
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3
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(1 row)
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SELECT round(vector_norm('[1,1]')::numeric, 5);
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round
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---------
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1.41421
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(1 row)
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SELECT round(l2_distance('[1,2]', '[0,0]')::numeric, 5);
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round
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---------
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2.23607
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(1 row)
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SELECT l2_distance('[1,2]', '[3]');
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ERROR: different vector dimensions 2 and 1
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SELECT inner_product('[1,2]', '[3,4]');
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inner_product
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---------------
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11
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(1 row)
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SELECT inner_product('[1,2]', '[3]');
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ERROR: different vector dimensions 2 and 1
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SELECT round(cosine_distance('[1,2]', '[2,4]')::numeric, 5);
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round
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---------
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0.00000
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(1 row)
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SELECT cosine_distance('[1,2]', '[0,0]');
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cosine_distance
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-----------------
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NaN
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(1 row)
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SELECT cosine_distance('[1,2]', '[3]');
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ERROR: different vector dimensions 2 and 1
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21
expected/ivfflat_cosine.out
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21
expected/ivfflat_cosine.out
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@@ -0,0 +1,21 @@
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SET client_min_messages = warning;
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CREATE EXTENSION IF NOT EXISTS vector;
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SET enable_seqscan = off;
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CREATE TABLE t (val vector(3));
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INSERT INTO t (val) VALUES ('[0,0,0]'), ('[1,2,3]'), ('[1,1,1]'), (NULL);
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CREATE INDEX ON t USING ivfflat (val vector_cosine_ops) WITH (lists = 1);
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INSERT INTO t (val) VALUES ('[1,2,4]');
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SELECT * FROM t ORDER BY val <=> '[3,3,3]';
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val
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---------
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[1,1,1]
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[1,2,3]
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[1,2,4]
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(3 rows)
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SELECT * FROM t ORDER BY val <=> (SELECT NULL::vector);
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val
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-----
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(0 rows)
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DROP TABLE t;
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22
expected/ivfflat_ip.out
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22
expected/ivfflat_ip.out
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@@ -0,0 +1,22 @@
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SET client_min_messages = warning;
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CREATE EXTENSION IF NOT EXISTS vector;
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SET enable_seqscan = off;
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CREATE TABLE t (val vector(3));
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INSERT INTO t (val) VALUES ('[0,0,0]'), ('[1,2,3]'), ('[1,1,1]'), (NULL);
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CREATE INDEX ON t USING ivfflat (val vector_ip_ops) WITH (lists = 1);
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INSERT INTO t (val) VALUES ('[1,2,4]');
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SELECT * FROM t ORDER BY val <#> '[3,3,3]';
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val
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---------
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[1,2,4]
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[1,2,3]
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[1,1,1]
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[0,0,0]
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(4 rows)
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SELECT * FROM t ORDER BY val <#> (SELECT NULL::vector);
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val
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-----
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(0 rows)
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DROP TABLE t;
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22
expected/ivfflat_l2.out
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22
expected/ivfflat_l2.out
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@@ -0,0 +1,22 @@
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SET client_min_messages = warning;
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CREATE EXTENSION IF NOT EXISTS vector;
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SET enable_seqscan = off;
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CREATE TABLE t (val vector(3));
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INSERT INTO t (val) VALUES ('[0,0,0]'), ('[1,2,3]'), ('[1,1,1]'), (NULL);
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CREATE INDEX ON t USING ivfflat (val) WITH (lists = 1);
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INSERT INTO t (val) VALUES ('[1,2,4]');
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SELECT * FROM t ORDER BY val <-> '[3,3,3]';
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val
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---------
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[1,2,3]
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[1,2,4]
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[1,1,1]
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[0,0,0]
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(4 rows)
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SELECT * FROM t ORDER BY val <-> (SELECT NULL::vector);
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val
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-----
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(0 rows)
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DROP TABLE t;
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15
expected/ivfflat_unlogged.out
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15
expected/ivfflat_unlogged.out
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@@ -0,0 +1,15 @@
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SET client_min_messages = warning;
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CREATE EXTENSION IF NOT EXISTS vector;
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SET enable_seqscan = off;
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CREATE UNLOGGED TABLE t (val vector(3));
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INSERT INTO t (val) VALUES ('[0,0,0]'), ('[1,2,3]'), ('[1,1,1]'), (NULL);
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CREATE INDEX ON t USING ivfflat (val) WITH (lists = 1);
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SELECT * FROM t ORDER BY val <-> '[3,3,3]';
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val
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---------
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[1,2,3]
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[1,1,1]
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[0,0,0]
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(3 rows)
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DROP TABLE t;
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55
expected/vector.out
Normal file
55
expected/vector.out
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@@ -0,0 +1,55 @@
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SET client_min_messages = warning;
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CREATE EXTENSION IF NOT EXISTS vector;
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SELECT '[1,2,3]'::vector;
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vector
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---------
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[1,2,3]
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(1 row)
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SELECT '[-1,2,3]'::vector;
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vector
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----------
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[-1,2,3]
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(1 row)
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SELECT '[hello,1]'::vector;
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ERROR: invalid input syntax for type vector: "hello"
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LINE 1: SELECT '[hello,1]'::vector;
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^
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SELECT '[NaN,1]'::vector;
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ERROR: NaN not allowed in vector
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LINE 1: SELECT '[NaN,1]'::vector;
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^
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SELECT '[Infinity,1]'::vector;
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ERROR: infinite value not allowed in vector
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LINE 1: SELECT '[Infinity,1]'::vector;
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^
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SELECT '[-Infinity,1]'::vector;
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ERROR: infinite value not allowed in vector
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LINE 1: SELECT '[-Infinity,1]'::vector;
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^
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SELECT '[1,2,3'::vector;
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ERROR: malformed vector literal
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LINE 1: SELECT '[1,2,3'::vector;
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^
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DETAIL: Unexpected end of input.
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SELECT '[1,2,3]9'::vector;
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ERROR: malformed vector literal
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LINE 1: SELECT '[1,2,3]9'::vector;
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^
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DETAIL: Junk after closing right brace.
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SELECT '1,2,3'::vector;
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ERROR: malformed vector literal: "1,2,3"
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LINE 1: SELECT '1,2,3'::vector;
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^
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DETAIL: Vector contents must start with "[".
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SELECT '[]'::vector;
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ERROR: vector must have at least 1 dimension
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LINE 1: SELECT '[]'::vector;
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^
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SELECT '[1,]'::vector;
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ERROR: invalid input syntax for type vector: "]"
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LINE 1: SELECT '[1,]'::vector;
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^
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SELECT '[1,2,3]'::vector(2);
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ERROR: expected 2 dimensions, not 3
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