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PostgreSQL: How to pass parameters from command line?
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You can use the -v construct e.g
psql -v v1=12 -v v2="'Hello World'" -v v3="'2010-11-12'"
and then refer to the variables in sql as :v1, :v2 etc
select * from table_1 where id = :v1;
Please pay attention on how we pass string/date value using two quotes " '...' "
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UILabel is not auto-shrinking text to fit label size
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edited Jun 20 at 9:12
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111 silver badge
answered Oct 16 '12 at 20:08
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How to select lines between two marker patterns which may occur multiple times with awk/sed
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$ awk '/abc/{flag=1;next}/mno/{flag=0}flag' file
def1
ghi1
jkl1
def2
ghi2
jkl2
How does this work?
/abc/ matches lines having this text, as well as /mno/ does.
/abc/{flag=1;next} sets the flag when the text abc is found. Then, it skips the line.
/mno/{flag=0} unsets the flag when the...
How to write a foreach in SQL Server?
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352
You seem to want to use a CURSOR. Though most of the times it's best to use a set based solution...
What's the difference between “static” and “static inline” function?
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answered Oct 14 '11 at 3:27
littleadvlittleadv
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What is the difference between a.getClass() and A.class in Java?
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edited Oct 30 '16 at 12:47
answered Jun 8 '12 at 11:16
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How to jump to top of browser page
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edited Jan 25 '13 at 20:41
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answered Nov 10 '10 at 17:18
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In Python, how do I create a string of n characters in one line of code?
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edited Jan 1 '19 at 4:25
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answered Sep 14 '09 at 21:28
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