PG_CAST
PG_CAST records conversion relationships between data types.
Column |
Type |
Description |
---|---|---|
castsource |
OID |
OID of the source data type |
casttarget |
OID |
OID of the target data type |
castfunc |
OID |
OID of the conversion function. If the value is 0, no conversion function is required. |
castcontext |
Char |
Conversion mode between the source and target data types
|
castmethod |
Char |
Conversion method
|
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