diff options
Diffstat (limited to 'doc/src/sgml/ecpg.sgml')
| -rw-r--r-- | doc/src/sgml/ecpg.sgml | 8 |
1 files changed, 8 insertions, 0 deletions
diff --git a/doc/src/sgml/ecpg.sgml b/doc/src/sgml/ecpg.sgml index a7c32613658..5ce93fee280 100644 --- a/doc/src/sgml/ecpg.sgml +++ b/doc/src/sgml/ecpg.sgml @@ -5687,6 +5687,14 @@ EXEC SQL UPDATE Tbl SET col = MYNUMBER; embedded SQL query because in this case the embedded SQL precompiler is not able to see this declaration. </para> + + <para> + If multiple input files are named on the <command>ecpg</command> + preprocessor's command line, the effects of <literal>EXEC SQL + DEFINE</literal> and <literal>EXEC SQL UNDEF</literal> do not carry + across files: each file starts with only the symbols defined + by <option>-D</option> switches on the command line. + </para> </sect2> <sect2 id="ecpg-ifdef"> |