GNU/Linux man pages
Livre :
Expressions régulières,
Syntaxe et mise en oeuvre :
GNU/Linux |
RedHat 5.2(Apollo) |
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ecpg(1) |
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ecpg - embedded SQL preprocessor for C
ecpg [-v ] [-d ] [-o outfile ] file1 [file2] [...]
ecpg an embedded SQL in C package for PostgreSQL. It enables you to develop C programs with embedded SQL code.
ecpg understands the following command-line options:
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-v |
Print version information. |
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-d |
Turn on debugging. |
-o outfile
Specifies that ecpg should write all its output to outfile.Ifnosuchoptionisgiventheoutputiswrittentofoo.c if the input file was name foo.pgc or to foo.bar.c if the input file was foo.bar.
file1, file2, ...
The files to be processed.
The return code
is alway -1 in case of an error. You cannot see which error
occured by examining the return code.
The cursor is opened when the declare statement is issued.
ecpg does not understand enum datatypes.
The is no exec sql prepare statement.
The complete structure definition has to be listed inside
the declare
section for ecpg to be able to understand it.
Each variable has to be defined on a line on its own.
There is no way yet to fill a complete array with one call
except
arrays of [unsigned] char
which are considered strings.
ecpg cannot use pointer variables except [unsigned] char *
ecpg returns 0 to the shell on successful completion, -1 for errors,
cc(1).
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ecpg(1) | |