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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
54 lines
1.4 KiB
Text
54 lines
1.4 KiB
Text
--
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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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10 20 Hello
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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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could not set variable "bad name"
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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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1
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select 3 as x, 4 as y \gset pref01_ \echo :pref01_x \echo :pref01_y
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3
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4
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select 5 as x, 6 as y \gset pref01_ \\ \g \echo :pref01_x :pref01_y
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x | y
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---+---
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5 | 6
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(1 row)
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5 6
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select 7 as x, 8 as y \g \gset pref01_ \echo :pref01_x :pref01_y
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x | y
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---+---
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7 | 8
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(1 row)
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7 8
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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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1 :var2 3
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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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more than one row returned for \gset
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select 10 as test01, 20 as test02 from generate_series(1,0) \gset
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no rows returned for \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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1
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select 3 as x, 4 as y \gset pref01_ \echo :pref01_x \echo :pref01_y
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3
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4
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select 10 as test01, 20 as test02 from generate_series(1,3) \gset
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more than one row returned for \gset
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select 10 as test01, 20 as test02 from generate_series(1,0) \gset
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no rows returned for \gset
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\unset FETCH_COUNT
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