The following table illustrates several more complicated TRIM functions.
Function | Result |
---|---|
SELECT TRIM(LEADING 'a' FROM 'aaabcd'); | 'bcd' |
CREATE TABLE t2 (i1 INTEGER, c1 CHAR(6), c2 CHAR(1)); INSERT t2 (1, 'aaabcd', 'a'); SELECT TRIM(LEADING c2 FROM c1) FROM t2; |
'bcd' |
CREATE TABLE t3 (i1 INTEGER, c1 CHAR(6) CHAR SET UNICODE); INSERT t3 (1, _Unicode '006100610061006200630064'XC); SELECT TRIM(LEADING _Unicode '0061'XC FROM t3.c1); |
'bcd' |
SELECT TRIM(_Unicode 'ΔΔ abc |
'abc |
SELECT TRIM(_Unicode 'ΔΔ abc |
'abc Δ (GRAPHIC pad) is not removed. |
CREATE TABLE t1 (c1 CHARACTER(6) CHARACTER SET GRAPHIC); INSERT t1 (_Graphic 'abc SELECT TRIM(c1) from t1; |
'abc Δ (GRAPHIC pad) is removed because the operand of the TRIM function is of type GRAPHIC. |