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d2d153fdb0
This eases manipulation of query results in psql scripts. Pavel Stehule, reviewed by Piyush Newe, Shigeru Hanada, and Tom Lane
39 lines
1.2 KiB
SQL
39 lines
1.2 KiB
SQL
--
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-- Tests for psql features that aren't closely connected to any
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-- specific server features
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--
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-- \gset
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select 10 as test01, 20 as test02, 'Hello' as test03 \gset pref01_
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\echo :pref01_test01 :pref01_test02 :pref01_test03
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-- should fail: bad variable name
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select 10 as "bad name"
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\gset
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-- multiple backslash commands in one line
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select 1 as x, 2 as y \gset pref01_ \\ \echo :pref01_x
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select 3 as x, 4 as y \gset pref01_ \echo :pref01_x \echo :pref01_y
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select 5 as x, 6 as y \gset pref01_ \\ \g \echo :pref01_x :pref01_y
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select 7 as x, 8 as y \g \gset pref01_ \echo :pref01_x :pref01_y
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-- NULL should unset the variable
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\set var2 xyz
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select 1 as var1, NULL as var2, 3 as var3 \gset
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\echo :var1 :var2 :var3
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-- \gset requires just one tuple
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select 10 as test01, 20 as test02 from generate_series(1,3) \gset
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select 10 as test01, 20 as test02 from generate_series(1,0) \gset
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-- \gset should work in FETCH_COUNT mode too
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\set FETCH_COUNT 1
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select 1 as x, 2 as y \gset pref01_ \\ \echo :pref01_x
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select 3 as x, 4 as y \gset pref01_ \echo :pref01_x \echo :pref01_y
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select 10 as test01, 20 as test02 from generate_series(1,3) \gset
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select 10 as test01, 20 as test02 from generate_series(1,0) \gset
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\unset FETCH_COUNT
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