Disabling Eager Agg Traceflag in 5x.

In 5x, GUC to enable / disable eager agg transform is not included,
it is disabled by default, and this functionality will not be available in 5x.

Bump ORCA version to 3.27.0

config/orca.m4

@@ -40,10 +40,10 @@ AC_RUN_IFELSE([AC_LANG_PROGRAM([[
 #include <string.h>
 ]],
 [
-return strncmp("3.26.", GPORCA_VERSION_STRING, 5);
+return strncmp("3.27.", GPORCA_VERSION_STRING, 5);
 ])],
 [AC_MSG_RESULT([[ok]])],
-[AC_MSG_ERROR([Your ORCA version is expected to be 3.26.XXX])]
+[AC_MSG_ERROR([Your ORCA version is expected to be 3.27.XXX])]
 )
 AC_LANG_POP([C++])
 ])# PGAC_CHECK_ORCA_VERSION

configure

@@ -12523,7 +12523,7 @@ int
 main ()
 {
 
-return strncmp("3.26.", GPORCA_VERSION_STRING, 5);
+return strncmp("3.27.", GPORCA_VERSION_STRING, 5);
 
   ;
   return 0;
@@ -12533,7 +12533,7 @@ if ac_fn_cxx_try_run "$LINENO"; then :
   { $as_echo "$as_me:${as_lineno-$LINENO}: result: ok" >&5
 $as_echo "ok" >&6; }
 else
-  as_fn_error $? "Your ORCA version is expected to be 3.26.XXX" "$LINENO" 5
+  as_fn_error $? "Your ORCA version is expected to be 3.27.XXX" "$LINENO" 5
 
 fi
 rm -f core *.core core.conftest.* gmon.out bb.out conftest$ac_exeext \

depends/conanfile_orca.txt

 [requires]
-orca/v3.26.0@gpdb/stable
+orca/v3.27.0@gpdb/stable
 
 [imports]
 include, * -> build/include

gpAux/releng/releng.mk

@@ -120,7 +120,7 @@ sync_tools: opt_write_test /opt/releng/apache-ant
 	-Divyrepo.user=$(IVYREPO_USER) -Divyrepo.passwd="$(IVYREPO_PASSWD)" -quiet resolve);
 
 ifeq "$(findstring aix,$(BLD_ARCH))" ""
-	LD_LIBRARY_PATH='' wget --no-check-certificate -q -O - https://github.com/greenplum-db/gporca/releases/download/v3.26.0/bin_orca_centos5_release.tar.gz | tar zxf - -C $(BLD_TOP)/ext/$(BLD_ARCH)
+	LD_LIBRARY_PATH='' wget --no-check-certificate -q -O - https://github.com/greenplum-db/gporca/releases/download/v3.27.0/bin_orca_centos5_release.tar.gz | tar zxf - -C $(BLD_TOP)/ext/$(BLD_ARCH)
 endif
 
 clean_tools: opt_write_test