Ln:1 UPDATE
Ln:1 SET c1 = 'TRIM(c1)'
Ln:1 UPDATE tab T SET c1 = TRIM(c1) WHERE T.c2 = 'A'
Ln:3 UPDATE
Ln:4 SET c1 = 'TRIM(c1)'
Ln:3 UPDATE tab T
  SET c1 = TRIM(c1)
  WHERE T.c2 = 'A'
Ln:7 UPDATE
Ln:7 SET c1 = '''0011'''
Ln:7 UPDATE tab SET c1 = '0011' WHERE c1 = '0021'
Ln:9 UPDATE
Ln:9 SET c1 = 'TRIM(c1)'
Ln:9 SET c3 = 'TRIM(c3)'
Ln:9 UPDATE tab T SET c1 = TRIM(c1), c3 = TRIM(c3) WHERE T.col2 = 'A'
Ln:11 UPDATE
Ln:12 SET c1 = TRIM(c1)
Ln:12 SET c3 = TRIM(c3)
Ln:11 UPDATE tab T
  SET (c1, c3) = (TRIM(c1), TRIM(c3))
  WHERE T.col2 = 'A'
Ln:15 UPDATE
Ln:15 UPDATE tab T
       SET (c1, c2, c3, c4) =
           (SELECT c1, c2, TRIM(c3), c4
              FROM tab2 C
             WHERE C.c1 = T.c1)
     WHERE T.c2 = 'A'
Ln:25 UPDATE
Ln:26 SET c1 = '(SELECT c1 FROM tab2 C WHERE C.c1 = T.c1)'
Ln:25 UPDATE tab T
       SET c1 = (SELECT c1 FROM tab2 C WHERE C.c1 = T.c1)
     WHERE T.c2 = 'a'
Ln:30 UPDATE
Ln:31 SET c1 = '(SELECT c1 FROM tab2 C WHERE C.c1 = T.c1)'
Ln:30 UPDATE tab T
       SET c1 = (SELECT c1 FROM tab2 C WHERE C.c1 = T.c1)
     WHERE T.c2 = 'a'
Ln:35 DECLARE var1 STRING
Ln:36 SET var1 = 'var1_value'
Ln:37 UPDATE
Ln:37 SET c2 = '''update_value'''
Ln:37 UPDATE tab SET c2 = 'update_value' WHERE c1 = 'var1_value'
Ln:38 UPDATE
Ln:38 SET c2 = '''var1_value'''
Ln:38 UPDATE tab SET c2 = 'var1_value' WHERE c1 = 'var1_value'