CAST_ARR_STR
Syntax
CAST_ARR_STR( array )Description
Converts array to an array of strings. The conversion rules are the same as for STR.
Argument types:
array—Array of fractional numbers | Array of integers | Array of strings
Return type: Array of strings
Example
| [int_array] | [float_array] | CAST_ARR_STR([int_array]) | CAST_ARR_STR([float_array]) |
|---|---|---|---|
'[12,0,42]' | '[12.3,0.43,42]' | "['12','0','42']" | "['12.3','0.43','42']" |
'[-3,NULL,0]' | '[0,NULL,12]' | "['-3',NULL,'0']" | "['0',NULL,'12']" |
'[132,637,NULL]' | '[3.2,2.3,3.5]' | "['132','637',NULL]" | "['3.2','2.3','3.5']" |
Data source support
ClickHouse 21.8, PostgreSQL 9.3.
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