修复gs_dump导出二级分区表失败的问题并添加fastcheck用例

src/bin/pg_dump/pg_dump.cpp

@@ -18809,18 +18809,24 @@ static PQExpBuffer createTablePartition(Archive* fout, TableInfo* tbinfo)
                 PART_OBJ_TYPE_TABLE_PARTITION,
                 newStrategy);
             for (i = 1; i <= partkeynum; i++) {
-                if (partkeyexprIsNull) {
-                    if (i == partkeynum)
+                
+                if (!partkeyexprIsNull) {
+                    if (i == partkeynum) 
+                        appendPQExpBuffer(partitionq, "p.boundaries[%d] ASC NULLS LAST", i);
+                    else
+                        appendPQExpBuffer(partitionq, "p.boundaries[%d] NULLS LAST,", i);
+                } else if (partStrategy == PART_STRATEGY_HASH) {
+                    if (i == partkeynum) 
+                        appendPQExpBuffer(partitionq, "p.boundaries[%d]::int ASC NULLS LAST", i);
+                    else
+                        appendPQExpBuffer(partitionq, "p.boundaries[%d]::int NULLS LAST", i);
+                } else {
+                    if (i == partkeynum) 
                         appendPQExpBuffer(
                             partitionq, "p.boundaries[%d]::%s ASC NULLS LAST", i, tbinfo->atttypnames[partkeycols[i - 1] - 1]);
                     else
                         appendPQExpBuffer(
-                            partitionq, "p.boundaries[%d]::%s NULLS LAST, ", i, tbinfo->atttypnames[partkeycols[i - 1] - 1]);
-                } else {
-                    if (i == partkeynum)
-                        appendPQExpBuffer(partitionq, "p.boundaries[%d] ASC NULLS LAST", i);
-                    else
-                        appendPQExpBuffer(partitionq, "p.boundaries[%d] NULLS LAST, ", i);
+                            partitionq, "p.boundaries[%d]::%s NULLS LAST", i, tbinfo->atttypnames[partkeycols[i - 1] - 1]);
                 }
             }
         } else {

src/test/regress/input/gs_dump_2hash.source

@@ -0,0 +1,36 @@
+create user u_hash password '1234@abcd';
+grant all privileges to u_hash;
+
+create database db_hash;
+create database db_restore;
+\c db_hash
+create table t_hash_2nd_partition
+(
+    c1_date date not null,
+    c2_int int not null,
+    c3_varchar2 varchar2(30)
+)
+partition by hash(c1_date) subpartition by range(c2_int)
+(
+  partition p1
+  (
+    subpartition p1_a values less than(100),
+    subpartition p1_b values less than(200)
+  ),
+  partition p2
+  (
+    subpartition p2_a values less than(100),
+    subpartition p2_b values less than(200)
+  )
+);
+
+\! @abs_bindir@/gs_dump -p @portstring@ db_hash -f @abs_bindir@/dump -F c -w > @abs_bindir@/gs_dump_2hash.log 2>&1 ; echo $?
+
+\! @abs_bindir@/gs_restore -h 127.0.0.1 -p @portstring@ -U u_hash -W 1234@abcd -d db_restore -F c @abs_bindir@/dump > @abs_bindir@/gs_dump_2hash.log 2>&1 ; echo $?
+
+\c db_restore
+select *from t_hash_2nd_partition;
+
+\c postgres
+drop database db_hash;
+drop database db_restore;

src/test/regress/output/gs_dump_2hash.source

@@ -0,0 +1,37 @@
+create user u_hash password '1234@abcd';
+grant all privileges to u_hash;
+create database db_hash;
+create database db_restore;
+\c db_hash
+create table t_hash_2nd_partition
+(
+    c1_date date not null,
+    c2_int int not null,
+    c3_varchar2 varchar2(30)
+)
+partition by hash(c1_date) subpartition by range(c2_int)
+(
+  partition p1
+  (
+    subpartition p1_a values less than(100),
+    subpartition p1_b values less than(200)
+  ),
+  partition p2
+  (
+    subpartition p2_a values less than(100),
+    subpartition p2_b values less than(200)
+  )
+);
+\! @abs_bindir@/gs_dump -p @portstring@ db_hash -f @abs_bindir@/dump -F c -w > @abs_bindir@/gs_dump_2hash.log 2>&1 ; echo $?
+0
+\! @abs_bindir@/gs_restore -h 127.0.0.1 -p @portstring@ -U u_hash -W 1234@abcd -d db_restore -F c @abs_bindir@/dump > @abs_bindir@/gs_dump_2hash.log 2>&1 ; echo $?
+0
+\c db_restore
+select *from t_hash_2nd_partition;
+ c1_date | c2_int | c3_varchar2 
+---------+--------+-------------
+(0 rows)
+
+\c postgres
+drop database db_hash;
+drop database db_restore;

src/test/regress/parallel_schedule0

@@ -77,6 +77,7 @@ test: gs_dump_package trigger_dump gs_dumpall gs_dump_synonym dump_trigger_defin
 test: out_param_func
 #test: sqlcode_cursor
 test: gs_dump_tableconstraint
+test: gs_dump_2hash
 
 # test AI4DB
 test: plpgsql_override_out

src/test/regress/parallel_schedule0A

@@ -495,3 +495,6 @@ test: gb_ora_rotate_unrotate
 
 # test backup tool audit log
 test: backup_tool_audit
+
+
+test: gs_dump_2hash