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BSON_ INPUT_ STREAM_ TO_ ARRAY
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Converts a BSON array of documents or concatenated BSON documents to a PSQL Array.
Syntax
BSON_INPUT_STREAM_TO_ARRAY(<input>)
Arguments
-
input
: A valid BSON array, an expression that evaluates to a valid BSON array, or concatenated BSON documents.
Return Type
A PSQL array.
Examples
Note: The following examples explicitly cast string to BSON for clarity.
-
Convert a BSON array:
SELECT table_col:>JSON AS ResultFROM TABLE(BSON_INPUT_STREAM_TO_ARRAY('[{"a":1},{"b":2},{"c":3},{"d":4}]':>BSON));+---------+ | Result | +---------+ | {"a":1} | | {"b":2} | | {"c":3} | | {"d":4} | +---------+
SELECT table_col:>JSON AS ResultFROM TABLE(BSON_INPUT_STREAM_TO_ARRAY('[{"a":1,"b":"abcdef","c":null},{"b":2,"e":{"f":{"g":[]}}},{"c":3},{}]':>JSON:>BSON));+-------------------------------+ | Result | +-------------------------------+ | {"a":1,"b":"abcdef","c":null} | | {"b":2,"e":{"f":{"g":[]}}} | | {"c":3} | | {} | +-------------------------------+
-
Convert concatenated documents:
SELECT table_col:>JSON AS ResultFROM TABLE(BSON_INPUT_STREAM_TO_ARRAY(x'0C00000010610001000000000C00000010620002000000000C00000010630003000000000C0000001064000400000000'))AS Result;+---------+ | Result | +---------+ | {"a":1} | | {"b":2} | | {"c":3} | | {"d":4} | +---------+
where,
x'0C00000010610001000000000C00000010620002000000000C00000010630003000000000C0000001064000400000000'
is a hex literal that is formed by concatenating the following BSON documents:Document
Hex Representation
{"a":1}
0C0000001061000100000000
{"b":2}
0C0000001062000200000000
{"c":3}
0C0000001063000300000000
{"d":4}
0C0000001064000400000000
Last modified: July 10, 2025