-- PostgreSQL doesn't use # as comment select jsoncol #> array['p1', 'p2'] from some_table where col#-'{1, a}' @? '$.b ? (@ > 0)'; SELECT 'Single quoted string' AS test01, 'Backslashes in single-quoted strings are interpreted literally and get no highlighting: \ ' AS test02, 'The single-quote character can be escaped by using two of them: '' This is highlighted.' AS test03, 'Line breaks are allowed' AS test04, E'Escape strings are introduced with an uppercase E…' AS test11, e'or a lowercase e.' AS test12, E'Line breaks are allowed' AS test13, E'The single-quote character can be escaped by using two of them: '' This is highlighted.' AS test14, E'They can have escapes like \t or three-digit octal \011 or two-digit hexadecimal \x09.' AS test15, E'Also the escape character itself and the single-quote can be escaped: \\ and \' are highlighted.' AS test16, E'Non-defined combinations: Example: \y is highlighted because it’s treated as escaped characters and substituted by “y”. Even before a line break\ this is possible.' AS test17, E'Higher Unicode code points: Hex: Four-digit \u1234 and eight-digit \U00001234' AS test18, E'These escapes with “u” and “U” are the only one that are not error tolerant: \u123 and \u123 are highlighted as errors.' AS test19, U&'Unicode escape strings are introduced with an uppercase U…' AS test21, u&'or a lowercase u.' AS test22, U&'The single-quote character can be escaped by using two of them: '' This is highlighted.' AS test23, U&'Types of escape: \0061 and \+000061 and \\' AS test24, U&'All other usages of \ are errors, including \' test25, U&'Line breaks are allowed' AS test26, U&'User-defined escape characters can be used instead of \ by specifying' UESCAPE 'w' AS test31, U&'Here, \ behaves as normal character. Escape sequences: w0061 and w+000061 and ww' UESCAPE 'w' AS test32, U&'Also work correctly for escape characters that have a special meaning in Regular Expressions: .0061 .+000061 and ..' UESCAPE '.' AS test33, 0 AS U&"Unicode escape identifiers are introduces with an uppercase U…", 0 AS u&"or a lowercase u.", 0 AS U&"The double-quote character can be escaped by using two of them: "" This is highlighted.", 0 AS U&"Types of escape: \0061 and \+000061 and \\", 0 AS U&"All other usages of \ are errors, including \", 0 AS U&"Line breaks are allowed" power(2, 3) AS test31, -- PostgreSQL Build-in functions (like “power”) are highlighted when followed by an opening parenthesis… power AS test32, 0 AS power, -- …but not highlighted if used as identifier. ST_PointOnSurface(way) AS test33, -- PostGIS functions are highlighted as extensions. -- User-defined functions get no special highlighting: testpower(2, 3) AS test34, foo AS bar FROM mytable;