-Describes the built-in operators available in
Postgres.
+Describes the built-in operators available in
-
Postgres provides a large number of built-in operators on system types.
+
Postgres provides a large number of
+built-in operators on system types.
These operators are declared in the system catalog
pg_operator. Every entry in pg_operator includes
the name of the procedure that implements the operator and the
class
OIDs of the input and output types.
-To view all variations of the ||
string concatenation operator, try
+To view all variations of the ||
string concatenation operator,
+try
SELECT oprleft, oprright, oprresult, oprcode
FROM pg_operator WHERE oprname = '||';
General Operators
-The operators listed here are defined for a number of native data types, ranging
-from numeric types to data/time types.
+The operators listed here are defined for a number of native data types,
+ranging from numeric types to data/time types.
-
Numerical Operators
+
id="math-opers">Numerical Operators