 SELECT "func"(a := 7,b := 12)
 SELECT "array_agg"("a" ORDER BY "b","c")
 SELECT "mleast"(VARIADIC ARRAY [10,-1,5,4.4])
 SELECT "avg"("c1") OVER ( ROWS 1 PRECEDING) FROM "r1"
 SELECT "avg"("c1") OVER "w1" FROM "r1" WINDOW "w1" AS ( ROWS BETWEEN 1 FOLLOWING AND 2 FOLLOWING)
 SELECT * FROM "t1" OFFSET 1 LIMIT 2
 SELECT * FROM "t1" LIMIT 2

pset 90000
EXPLAIN (analyze , verbose ) SELECT 1
EXPLAIN (analyze 'true', verbose 'true', costs 'true', buffers 'true', format 'xml') SELECT 1
EXPLAIN (analyze 'false', verbose 'false', costs 'false', buffers 'false', format 'json') SELECT 1
COPY "t" FROM STDIN 
COPY "t" FROM 'xxx' (format 'binary')
COPY "t" FROM 'xxx' (format 'csv', header 1, quote '#', escape '$', force_not_null ("foo", "bar"))
COPY "t" FROM 'xxx' (oids 1)
COPY "t" FROM 'xxx' (delimiter ',')
COPY "t" FROM 'xxx' (null 'x')
COPY "t" FROM STDIN (format 'text')
COPY "t" FROM STDIN (format 'csv')
COPY "t" FROM STDIN (format 'binary')
COPY "t" FROM 'f' (oids 'false')
COPY "t" FROM 'f' (oids 'true', delimiter '|', null '<N>', header 'false')
COPY "t" FROM 'f' (header 'true', quote '"', escape '@')
COPY "t" FROM 'f' (force_quote *, force_not_null ("one", "two", "three"))
