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50 lines
948 B
Plaintext
50 lines
948 B
Plaintext
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[1.0,2.0,3.0]::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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SELECT '[1,2,3]'::vector::real[];
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float4
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---------
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{1,2,3}
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(1 row)
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SELECT array_agg(n)::vector FROM generate_series(1, 1025) n;
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ERROR: vector cannot have more than 1024 dimensions
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-- ensure no error
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SELECT ARRAY[1,2,3] = ARRAY[1,2,3];
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?column?
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----------
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t
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(1 row)
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