Getting the count(*) from two tables and two date ranges in same query - Mailing list pgsql-general

Hi all,

I have three tables like this:

table1 with column table1_ID

table2 with columns table1_ID,  date  ..etc

table3 with columns table1_ID, date ..etc

I would like to create one query to retrieve the rowcount ( count(*) ) from both table2 and table3

WHERE date BETWEEN fromdate1 AND todate1

in one column in the ResultSet

WHERE date BETWEEN fromdate2 AND todate2

in another column in the ResultSet

WHERE table1_ID = some_value

..

Resulting in 4 columns in the ResultSet like:

count(*)_from_table2_between_fromdate1_and_todate1  = X       

count(*)_from_table2_between_fromdate2_and_todate2  = Y

count(*)_from_table3_between_fromdate1_and_todate1 = Z

count(*)_from_table3_between_fromdate2_and_todate2  = V

Is this possible?

/Best regards, Håkan Jacobsson – System developer in Sweden

Håkan Jacobsson - System Developer

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