P1: (T1.COL1 = 'a' AND T2.COL2 = 'b') P2: T.COL IS NULL pushParam(P2, 123) P2: T.COL = '123' After pushParam P2: T.COL IS NULL setParam(P2, 234) P2: T.COL = '234' No Links BBB With links (#{showParam} is undefined): BBB
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