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Repeating
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[Deleted User]
Administrator
This tip was authored by Jim Knicely.
The Vertica REPEAT function replicates a string the specified number of times, and concatenates the replicated values as a single string.
Examples:
dbadmin=> SELECT repeat('TesT', 5);
repeat
----------------------
TesTTesTTesTTesTTesT
(1 row)
dbadmin=> SELECT '1' || repeat('0', 100) AS "One Googolplex";
One Googolplex
-------------------------------------------------------------------------------------------------------
10000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000
(1 row)
This function is also very useful if you plan on telling the old “Pete and Repete are on a boat” joke:
dbadmin=> SELECT repeat('Pete and Repete are in a boat. Pete jumps out. Who is left in the boat? Repete.' || CHR(10), 10);
repeat
----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------
Pete and Repete are in a boat. Pete jumps out. Who is left in the boat? Repete.
Pete and Repete are in a boat. Pete jumps out. Who is left in the boat? Repete.
Pete and Repete are in a boat. Pete jumps out. Who is left in the boat? Repete.
Pete and Repete are in a boat. Pete jumps out. Who is left in the boat? Repete.
Pete and Repete are in a boat. Pete jumps out. Who is left in the boat? Repete.
Pete and Repete are in a boat. Pete jumps out. Who is left in the boat? Repete.
Pete and Repete are in a boat. Pete jumps out. Who is left in the boat? Repete.
Pete and Repete are in a boat. Pete jumps out. Who is left in the boat? Repete.
Pete and Repete are in a boat. Pete jumps out. Who is left in the boat? Repete.
Pete and Repete are in a boat. Pete jumps out. Who is left in the boat? Repete.
(1 row)
Have Fun!
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