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Convert Update statement into Insert statement in UNIX using awk, sed....


 
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Old 03-22-2016
Hammer & Screwdriver Convert Update statement into Insert statement in UNIX using awk, sed....

Hi folks,

I have a scenario to convert the update statements into insert statements using shell script (awk, sed...) or in database using regex.

I have a bunch of update statements with all columns in a file which I need to convert into insert statements.

UPDATE TABLE_A SET COL1=1 WHERE COL2 is NULL AND COL2=3;

OUTPUT Should be:

INSERT INTO TABLE_A (COL1,COL2,COL3) VALUES (1,NULL,3);

Many Thanks.

Last edited by dev123; 03-22-2016 at 12:07 PM..

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EXECUTE(7)                                                         SQL Commands                                                         EXECUTE(7)

NAME
EXECUTE - execute a prepared statement SYNOPSIS
EXECUTE name [ ( parameter [, ...] ) ] DESCRIPTION
EXECUTE is used to execute a previously prepared statement. Since prepared statements only exist for the duration of a session, the pre- pared statement must have been created by a PREPARE statement executed earlier in the current session. If the PREPARE statement that created the statement specified some parameters, a compatible set of parameters must be passed to the EXECUTE statement, or else an error is raised. Note that (unlike functions) prepared statements are not overloaded based on the type or number of their parameters; the name of a prepared statement must be unique within a database session. For more information on the creation and usage of prepared statements, see PREPARE [prepare(7)]. PARAMETERS
name The name of the prepared statement to execute. parameter The actual value of a parameter to the prepared statement. This must be an expression yielding a value that is compatible with the data type of this parameter, as was determined when the prepared statement was created. OUTPUTS
The command tag returned by EXECUTE is that of the prepared statement, and not EXECUTE. EXAMPLES
Examples are given in the Examples [prepare(7)] section of the PREPARE [prepare(7)] documentation. COMPATIBILITY
The SQL standard includes an EXECUTE statement, but it is only for use in embedded SQL. This version of the EXECUTE statement also uses a somewhat different syntax. SEE ALSO
DEALLOCATE [deallocate(7)], PREPARE [prepare(7)] SQL - Language Statements 2010-05-14 EXECUTE(7)

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