mariadb/storage/connect/jsonudf.h
Sergei Golubchik 5ae2656b69 Squashed commit of connect/10.0:
commit c545d544378483bf68c4fb713cd4ec872d0df2c4
Author: Olivier Bertrand <bertrandop@gmail.com>
Date:   Tue Mar 27 23:13:14 2018 +0200

    - Fix MDEV-15577 CONNECT engine JDBC remote index prevents UPDATE
      Fixed in TDBJDBC::OpenDB because query can be null for updates
      modified:   storage/connect/tabjdbc.cpp

commit c4f1fe2e8e74566e9c3296f435448d9f5c718b23
Author: Olivier Bertrand <bertrandop@gmail.com>
Date:   Wed Mar 14 12:21:17 2018 +0100

    - Fix MDEV-15429 CONNECT engine JDBC handling Postgresql UUID type
      Also handle Postgresql sending type VARCHAR for TEXT column and
      setting length to b x7FFFFFF when the length is unknown.
      modified:   storage/connect/Client.java
      modified:   storage/connect/JavaWrappers.jar
      modified:   storage/connect/JdbcInterface.java
      modified:   storage/connect/PostgresqlInterface.java
      modified:   storage/connect/global.h
      modified:   storage/connect/ha_connect.cc
      modified:   storage/connect/jdbconn.cpp
      modified:   storage/connect/jdbconn.h
      modified:   storage/connect/mysql-test/connect/r/jdbc_postgresql.result
      modified:   storage/connect/mysql-test/connect/t/jdbc_postgresql.test
      modified:   storage/connect/mysql-test/connect/t/jdbconn.inc
      modified:   storage/connect/plgdbsem.h
      modified:   storage/connect/tabjdbc.cpp
      modified:   storage/connect/tabjdbc.h
      added:      storage/connect/mysql-test/connect/std_data/JavaWrappers.jar

commit 3068bb4882a316c6c32c624609db2bf24ae3ad40
Author: Olivier Bertrand <bertrandop@gmail.com>
Date:   Mon Feb 26 19:40:27 2018 +0100

    Revert to old cmake file to avoid compile error

commit da8c1c0bd6a327fd03bd321be3170f468122ef67
Author: Olivier Bertrand <bertrandop@gmail.com>
Date:   Mon Feb 26 16:13:39 2018 +0100

    - Remove warning on not used tabtyp variable in connect_assisted_discovery
      modified:   storage/connect/ha_connect.cc

    - Fix a bug causing CONNECT to loop when expanding a JSON column
      when the expanded column value is null or void array.
    - Adding the FullArray option to JSON tables.
    - Skipping expanded JSON lines when the expanded column value is null.
      modified:   storage/connect/connect.cc
      modified:   storage/connect/tabdos.h
      modified:   storage/connect/tabjson.cpp
      modified:   storage/connect/tabjson.h

    - Fix MDEV-13353 No file privilege for ODBC, JDBC, MONGO, MAC, WMI file types.
      modified:   storage/connect/ha_connect.cc

    - Make some Json UDFs  to accept a non JSON item as 1st parameter.
      modified:   storage/connect/json.cpp
      modified:   storage/connect/json.h
      modified:   storage/connect/jsonudf.cpp
      modified:   storage/connect/jsonudf.h

    - Update Json UDF tests to cope with above changes.
      modified:   storage/connect/mysql-test/connect/r/json_udf.result
      modified:   storage/connect/mysql-test/connect/r/json_udf_bin.result
      modified:   storage/connect/mysql-test/connect/r/vcol.result
      modified:   storage/connect/mysql-test/connect/t/json_udf.test
      modified:   storage/connect/mysql-test/connect/t/vcol.test

    - Fix some compiler warning treated as error
      PlugSubAlloc no more exported because it does throw.
      modified:   storage/connect/global.h
      modified:   storage/connect/ha_connect.cc
      modified:   storage/connect/jsonudf.cpp
      modified:   storage/connect/tabjson.cpp
      modified:   storage/connect/tabjson.h

    - Other files modified (?) when going back to wrong merge
      modified:   storage/connect/CMakeLists.txt
      modified:   storage/connect/array.cpp
      modified:   storage/connect/colblk.cpp
      modified:   storage/connect/connect.cc
      modified:   storage/connect/csort.cpp
      modified:   storage/connect/domdoc.cpp
      modified:   storage/connect/filamap.cpp
      modified:   storage/connect/filamgz.cpp
      modified:   storage/connect/filamtxt.cpp
      modified:   storage/connect/filamzip.cpp
      modified:   storage/connect/filter.cpp
      modified:   storage/connect/fmdlex.c
      modified:   storage/connect/jdbconn.cpp
      modified:   storage/connect/macutil.cpp
      modified:   storage/connect/myconn.cpp
      modified:   storage/connect/odbconn.cpp
      modified:   storage/connect/plgdbutl.cpp
      modified:   storage/connect/plugutil.cpp
      modified:   storage/connect/preparse.h
      modified:   storage/connect/rcmsg.c
      modified:   storage/connect/rcmsg.h
      modified:   storage/connect/reldef.cpp
      modified:   storage/connect/tabdos.cpp
      modified:   storage/connect/tabfmt.cpp
      modified:   storage/connect/tabmac.cpp
      modified:   storage/connect/tabmul.cpp
      modified:   storage/connect/tabmysql.cpp
      modified:   storage/connect/tabmysql.h
      modified:   storage/connect/tabodbc.cpp
      modified:   storage/connect/tabtbl.cpp
      modified:   storage/connect/tabxml.cpp
      modified:   storage/connect/value.cpp
      modified:   storage/connect/xobject.cpp

commit 5095628b31ed8c94bd7c794c6b0162894a9040b1
Author: Olivier Bertrand <bertrandop@gmail.com>
Date:   Tue Feb 13 14:29:00 2018 +0100

    - Fix a bug causing CONNECT to loop when expanding a JSON column
      when the expanded column value is null or void array.
    - Adding the FullArray option to JSON tables.
    - Skipping expanded JSON lines when the expanded column value is null.
      modified:   storage/connect/connect.cc
      modified:   storage/connect/tabdos.h
      modified:   storage/connect/tabjson.cpp
      modified:   storage/connect/tabjson.h

commit 9896174328da42016735630c893fd09eb128b48e
Author: Olivier Bertrand <bertrandop@gmail.com>
Date:   Fri Feb 2 15:48:57 2018 +0100

    - Remove warning on not used tabtyp variable in connect_assisted_discovery
      modified:   storage/connect/ha_connect.cc

commit d7e254c05f88173eb04d8dafc813013eb42ccdbe
Author: Olivier Bertrand <bertrandop@gmail.com>
Date:   Wed Jan 31 14:42:45 2018 +0100

    - Use delayed load for the MongoDB C Drive on Windows
      modified:   storage/connect/CMakeLists.txt
      modified:   storage/connect/cmgoconn.cpp
      modified:   storage/connect/ha_connect.cc

    - Add FORCE to the connect_type_conv enum values
      This will translate binary values to TYPE_STRING
      modified:   storage/connect/checklvl.h
      modified:   storage/connect/ha_connect.cc
      modified:   storage/connect/odbconn.cpp

    - Change the connect_xtrace variable to from int to set
      modified:   storage/connect/array.cpp
      modified:   storage/connect/blkfil.cpp
      modified:   storage/connect/block.h
      modified:   storage/connect/cmgoconn.cpp
      modified:   storage/connect/colblk.cpp
      modified:   storage/connect/connect.cc
      modified:   storage/connect/filamap.cpp
      modified:   storage/connect/filamdbf.cpp
      modified:   storage/connect/filamfix.cpp
      modified:   storage/connect/filamgz.cpp
      modified:   storage/connect/filamtxt.cpp
      modified:   storage/connect/filamvct.cpp
      modified:   storage/connect/filamzip.cpp
      modified:   storage/connect/filter.cpp
      modified:   storage/connect/global.h
      modified:   storage/connect/ha_connect.cc
      modified:   storage/connect/inihandl.cpp
      modified:   storage/connect/javaconn.cpp
      modified:   storage/connect/jdbconn.cpp
      modified:   storage/connect/jmgfam.cpp
      modified:   storage/connect/jmgoconn.cpp
      modified:   storage/connect/json.cpp
      modified:   storage/connect/jsonudf.cpp
      modified:   storage/connect/libdoc.cpp
      modified:   storage/connect/mongo.cpp
      modified:   storage/connect/mycat.cc
      modified:   storage/connect/myconn.cpp
      modified:   storage/connect/odbconn.cpp
      modified:   storage/connect/plgdbutl.cpp
      modified:   storage/connect/plugutil.cpp
      modified:   storage/connect/reldef.cpp
      modified:   storage/connect/tabcol.cpp
      modified:   storage/connect/tabdos.cpp
      modified:   storage/connect/tabext.cpp
      modified:   storage/connect/tabfix.cpp
      modified:   storage/connect/tabfmt.cpp
      modified:   storage/connect/tabjdbc.cpp
      modified:   storage/connect/tabjson.cpp
      modified:   storage/connect/table.cpp
      modified:   storage/connect/tabmul.cpp
      modified:   storage/connect/tabmysql.cpp
      modified:   storage/connect/tabodbc.cpp
      modified:   storage/connect/tabpivot.cpp
      modified:   storage/connect/tabsys.cpp
      modified:   storage/connect/tabtbl.cpp
      modified:   storage/connect/tabutil.cpp
      modified:   storage/connect/tabvct.cpp
      modified:   storage/connect/tabwmi.cpp
      modified:   storage/connect/tabxml.cpp
      modified:   storage/connect/user_connect.cc
      modified:   storage/connect/valblk.cpp
      modified:   storage/connect/value.cpp
      modified:   storage/connect/xindex.cpp

    - Restore connect_enable_mongo variable (but undocumented)
      modified:   storage/connect/ha_connect.cc
      modified:   storage/connect/mycat.cc
      modified:   storage/connect/mysql-test/connect/r/json_java_2.result
      modified:   storage/connect/mysql-test/connect/r/json_java_3.result
      modified:   storage/connect/mysql-test/connect/r/json_mongo_c.result
      modified:   storage/connect/mysql-test/connect/r/mongo_c.result
      modified:   storage/connect/mysql-test/connect/r/mongo_java_2.result
      modified:   storage/connect/mysql-test/connect/r/mongo_java_3.result
      modified:   storage/connect/mysql-test/connect/r/tbl_thread.result
      modified:   storage/connect/mysql-test/connect/t/mongo.inc
      modified:   storage/connect/mysql-test/connect/t/mongo_test.inc
      modified:   storage/connect/mysql-test/connect/t/tbl_thread.test
2018-04-26 14:15:18 +02:00

321 lines
13 KiB
C++

/******************** tabjson H Declares Source Code File (.H) *******************/
/* Name: jsonudf.h Version 1.3 */
/* */
/* (C) Copyright to the author Olivier BERTRAND 2015-2017 */
/* */
/* This file contains the JSON UDF function and class declares. */
/*********************************************************************************/
#include "global.h"
#include "plgdbsem.h"
#include "block.h"
#include "osutil.h"
#include "maputil.h"
#include "json.h"
#define UDF_EXEC_ARGS \
UDF_INIT*, UDF_ARGS*, char*, unsigned long*, char*, char*
/*********************************************************************************/
/* The JSON tree node. Can be an Object or an Array. */
/*********************************************************************************/
typedef struct _jnode {
PSZ Key; // The key used for object
OPVAL Op; // Operator used for this node
PVAL CncVal; // To cont value used for OP_CNC
PVAL Valp; // The internal array VALUE
int Rank; // The rank in array
int Rx; // Read row number
int Nx; // Next to read row number
} JNODE, *PJNODE;
typedef class JSNX *PJSNX;
typedef class JOUTPATH *PJTP;
typedef class JOUTALL *PJTA;
extern "C" {
DllExport my_bool jsonvalue_init(UDF_INIT*, UDF_ARGS*, char*);
DllExport char *jsonvalue(UDF_EXEC_ARGS);
DllExport void jsonvalue_deinit(UDF_INIT*);
DllExport my_bool json_make_array_init(UDF_INIT*, UDF_ARGS*, char*);
DllExport char *json_make_array(UDF_EXEC_ARGS);
DllExport void json_make_array_deinit(UDF_INIT*);
DllExport my_bool json_array_add_values_init(UDF_INIT*, UDF_ARGS*, char*);
DllExport char *json_array_add_values(UDF_EXEC_ARGS);
DllExport void json_array_add_values_deinit(UDF_INIT*);
DllExport my_bool json_array_add_init(UDF_INIT*, UDF_ARGS*, char*);
DllExport char *json_array_add(UDF_EXEC_ARGS);
DllExport void json_array_add_deinit(UDF_INIT*);
DllExport my_bool json_array_delete_init(UDF_INIT*, UDF_ARGS*, char*);
DllExport char *json_array_delete(UDF_EXEC_ARGS);
DllExport void json_array_delete_deinit(UDF_INIT*);
DllExport my_bool jsonsum_int_init(UDF_INIT*, UDF_ARGS*, char*);
DllExport long long jsonsum_int(UDF_INIT*, UDF_ARGS*, char*, char*);
DllExport void jsonsum_int_deinit(UDF_INIT*);
DllExport my_bool jsonsum_real_init(UDF_INIT*, UDF_ARGS*, char*);
DllExport double jsonsum_real(UDF_INIT*, UDF_ARGS*, char*, char*);
DllExport void jsonsum_real_deinit(UDF_INIT*);
DllExport my_bool jsonavg_real_init(UDF_INIT*, UDF_ARGS*, char*);
DllExport double jsonavg_real(UDF_INIT*, UDF_ARGS*, char*, char*);
DllExport void jsonavg_real_deinit(UDF_INIT*);
DllExport my_bool json_make_object_init(UDF_INIT*, UDF_ARGS*, char*);
DllExport char *json_make_object(UDF_EXEC_ARGS);
DllExport void json_make_object_deinit(UDF_INIT*);
DllExport my_bool json_object_nonull_init(UDF_INIT*, UDF_ARGS*, char*);
DllExport char *json_object_nonull(UDF_EXEC_ARGS);
DllExport void json_object_nonull_deinit(UDF_INIT*);
DllExport my_bool json_object_key_init(UDF_INIT*, UDF_ARGS*, char*);
DllExport char *json_object_key(UDF_EXEC_ARGS);
DllExport void json_object_key_deinit(UDF_INIT*);
DllExport my_bool json_object_add_init(UDF_INIT*, UDF_ARGS*, char*);
DllExport char *json_object_add(UDF_EXEC_ARGS);
DllExport void json_object_add_deinit(UDF_INIT*);
DllExport my_bool json_object_delete_init(UDF_INIT*, UDF_ARGS*, char*);
DllExport char *json_object_delete(UDF_EXEC_ARGS);
DllExport void json_object_delete_deinit(UDF_INIT*);
DllExport my_bool json_object_list_init(UDF_INIT*, UDF_ARGS*, char*);
DllExport char *json_object_list(UDF_EXEC_ARGS);
DllExport void json_object_list_deinit(UDF_INIT*);
DllExport my_bool json_object_values_init(UDF_INIT*, UDF_ARGS*, char*);
DllExport char *json_object_values(UDF_EXEC_ARGS);
DllExport void json_object_values_deinit(UDF_INIT*);
DllExport my_bool jsonset_grp_size_init(UDF_INIT*, UDF_ARGS*, char*);
DllExport long long jsonset_grp_size(UDF_INIT*, UDF_ARGS*, char*, char*);
DllExport my_bool jsonget_grp_size_init(UDF_INIT*, UDF_ARGS*, char*);
DllExport long long jsonget_grp_size(UDF_INIT*, UDF_ARGS*, char*, char*);
DllExport my_bool json_array_grp_init(UDF_INIT*, UDF_ARGS*, char*);
DllExport void json_array_grp_add(UDF_INIT *, UDF_ARGS *, char *, char *);
DllExport char *json_array_grp(UDF_EXEC_ARGS);
DllExport void json_array_grp_clear(UDF_INIT *, char *, char *);
DllExport void json_array_grp_deinit(UDF_INIT*);
DllExport my_bool json_object_grp_init(UDF_INIT*, UDF_ARGS*, char*);
DllExport void json_object_grp_add(UDF_INIT *, UDF_ARGS *, char *, char *);
DllExport char *json_object_grp(UDF_EXEC_ARGS);
DllExport void json_object_grp_clear(UDF_INIT *, char *, char *);
DllExport void json_object_grp_deinit(UDF_INIT*);
DllExport my_bool json_item_merge_init(UDF_INIT*, UDF_ARGS*, char*);
DllExport char *json_item_merge(UDF_EXEC_ARGS);
DllExport void json_item_merge_deinit(UDF_INIT*);
DllExport my_bool json_get_item_init(UDF_INIT*, UDF_ARGS*, char*);
DllExport char *json_get_item(UDF_EXEC_ARGS);
DllExport void json_get_item_deinit(UDF_INIT*);
DllExport my_bool jsonget_string_init(UDF_INIT*, UDF_ARGS*, char*);
DllExport char *jsonget_string(UDF_EXEC_ARGS);
DllExport void jsonget_string_deinit(UDF_INIT*);
DllExport my_bool jsonget_int_init(UDF_INIT*, UDF_ARGS*, char*);
DllExport long long jsonget_int(UDF_INIT*, UDF_ARGS*, char*, char*);
DllExport void jsonget_int_deinit(UDF_INIT*);
DllExport my_bool jsonget_real_init(UDF_INIT*, UDF_ARGS*, char*);
DllExport double jsonget_real(UDF_INIT*, UDF_ARGS*, char*, char*);
DllExport void jsonget_real_deinit(UDF_INIT*);
DllExport my_bool jsoncontains_init(UDF_INIT*, UDF_ARGS*, char*);
DllExport long long jsoncontains(UDF_EXEC_ARGS);
DllExport void jsoncontains_deinit(UDF_INIT*);
DllExport my_bool jsonlocate_init(UDF_INIT*, UDF_ARGS*, char*);
DllExport char *jsonlocate(UDF_EXEC_ARGS);
DllExport void jsonlocate_deinit(UDF_INIT*);
DllExport my_bool json_locate_all_init(UDF_INIT*, UDF_ARGS*, char*);
DllExport char *json_locate_all(UDF_EXEC_ARGS);
DllExport void json_locate_all_deinit(UDF_INIT*);
DllExport my_bool jsoncontains_path_init(UDF_INIT*, UDF_ARGS*, char*);
DllExport long long jsoncontains_path(UDF_EXEC_ARGS);
DllExport void jsoncontains_path_deinit(UDF_INIT*);
DllExport my_bool json_set_item_init(UDF_INIT*, UDF_ARGS*, char*);
DllExport char *json_set_item(UDF_EXEC_ARGS);
DllExport void json_set_item_deinit(UDF_INIT*);
DllExport my_bool json_insert_item_init(UDF_INIT*, UDF_ARGS*, char*);
DllExport char *json_insert_item(UDF_EXEC_ARGS);
DllExport void json_insert_item_deinit(UDF_INIT*);
DllExport my_bool json_update_item_init(UDF_INIT*, UDF_ARGS*, char*);
DllExport char *json_update_item(UDF_EXEC_ARGS);
DllExport void json_update_item_deinit(UDF_INIT*);
DllExport my_bool json_file_init(UDF_INIT*, UDF_ARGS*, char*);
DllExport char *json_file(UDF_EXEC_ARGS);
DllExport void json_file_deinit(UDF_INIT*);
DllExport my_bool jfile_make_init(UDF_INIT*, UDF_ARGS*, char*);
DllExport char *jfile_make(UDF_EXEC_ARGS);
DllExport void jfile_make_deinit(UDF_INIT*);
DllExport my_bool jbin_array_init(UDF_INIT*, UDF_ARGS*, char*);
DllExport char *jbin_array(UDF_EXEC_ARGS);
DllExport void jbin_array_deinit(UDF_INIT*);
DllExport my_bool jbin_array_add_values_init(UDF_INIT*, UDF_ARGS*, char*);
DllExport char *jbin_array_add_values(UDF_EXEC_ARGS);
DllExport void jbin_array_add_values_deinit(UDF_INIT*);
DllExport my_bool jbin_array_add_init(UDF_INIT*, UDF_ARGS*, char*);
DllExport char *jbin_array_add(UDF_EXEC_ARGS);
DllExport void jbin_array_add_deinit(UDF_INIT*);
DllExport my_bool jbin_array_delete_init(UDF_INIT*, UDF_ARGS*, char*);
DllExport char *jbin_array_delete(UDF_EXEC_ARGS);
DllExport void jbin_array_delete_deinit(UDF_INIT*);
DllExport my_bool jbin_object_init(UDF_INIT*, UDF_ARGS*, char*);
DllExport char *jbin_object(UDF_EXEC_ARGS);
DllExport void jbin_object_deinit(UDF_INIT*);
DllExport my_bool jbin_object_nonull_init(UDF_INIT*, UDF_ARGS*, char*);
DllExport char *jbin_object_nonull(UDF_EXEC_ARGS);
DllExport void jbin_object_nonull_deinit(UDF_INIT*);
DllExport my_bool jbin_object_key_init(UDF_INIT*, UDF_ARGS*, char*);
DllExport char *jbin_object_key(UDF_EXEC_ARGS);
DllExport void jbin_object_key_deinit(UDF_INIT*);
DllExport my_bool jbin_object_add_init(UDF_INIT*, UDF_ARGS*, char*);
DllExport char *jbin_object_add(UDF_EXEC_ARGS);
DllExport void jbin_object_add_deinit(UDF_INIT*);
DllExport my_bool jbin_object_delete_init(UDF_INIT*, UDF_ARGS*, char*);
DllExport char *jbin_object_delete(UDF_EXEC_ARGS);
DllExport void jbin_object_delete_deinit(UDF_INIT*);
DllExport my_bool jbin_object_list_init(UDF_INIT*, UDF_ARGS*, char*);
DllExport char *jbin_object_list(UDF_EXEC_ARGS);
DllExport void jbin_object_list_deinit(UDF_INIT*);
DllExport my_bool jbin_get_item_init(UDF_INIT*, UDF_ARGS*, char*);
DllExport char *jbin_get_item(UDF_EXEC_ARGS);
DllExport void jbin_get_item_deinit(UDF_INIT*);
DllExport my_bool jbin_item_merge_init(UDF_INIT*, UDF_ARGS*, char*);
DllExport char *jbin_item_merge(UDF_EXEC_ARGS);
DllExport void jbin_item_merge_deinit(UDF_INIT*);
DllExport my_bool jbin_set_item_init(UDF_INIT*, UDF_ARGS*, char*);
DllExport char *jbin_set_item(UDF_EXEC_ARGS);
DllExport void jbin_set_item_deinit(UDF_INIT*);
DllExport my_bool jbin_insert_item_init(UDF_INIT*, UDF_ARGS*, char*);
DllExport char *jbin_insert_item(UDF_EXEC_ARGS);
DllExport void jbin_insert_item_deinit(UDF_INIT*);
DllExport my_bool jbin_update_item_init(UDF_INIT*, UDF_ARGS*, char*);
DllExport char *jbin_update_item(UDF_EXEC_ARGS);
DllExport void jbin_update_item_deinit(UDF_INIT*);
DllExport my_bool jbin_file_init(UDF_INIT*, UDF_ARGS*, char*);
DllExport char *jbin_file(UDF_EXEC_ARGS);
DllExport void jbin_file_deinit(UDF_INIT*);
DllExport my_bool json_serialize_init(UDF_INIT*, UDF_ARGS*, char*);
DllExport char *json_serialize(UDF_EXEC_ARGS);
DllExport void json_serialize_deinit(UDF_INIT*);
DllExport my_bool envar_init(UDF_INIT*, UDF_ARGS*, char*);
DllExport char *envar(UDF_EXEC_ARGS);
DllExport my_bool countin_init(UDF_INIT*, UDF_ARGS*, char*);
DllExport long long countin(UDF_EXEC_ARGS);
} // extern "C"
/*********************************************************************************/
/* Structure JPN. Used to make the locate path. */
/*********************************************************************************/
typedef struct _jpn {
enum JTYP Type;
PCSZ Key;
int N;
} JPN, *PJPN;
/*********************************************************************************/
/* Class JSNX: JSON access method. */
/*********************************************************************************/
class JSNX : public BLOCK {
public:
// Constructors
JSNX(PGLOBAL g, PJSON row, int type, int len = 64, int prec = 0, my_bool wr = false);
// Implementation
int GetPrecision(void) {return Prec;}
PVAL GetValue(void) {return Value;}
// Methods
my_bool SetJpath(PGLOBAL g, char *path, my_bool jb = false);
my_bool ParseJpath(PGLOBAL g);
void ReadValue(PGLOBAL g);
PJVAL GetRowValue(PGLOBAL g, PJSON row, int i, my_bool b = true);
PJVAL GetJson(PGLOBAL g);
my_bool CheckPath(PGLOBAL g);
my_bool WriteValue(PGLOBAL g, PJVAL jvalp);
char *Locate(PGLOBAL g, PJSON jsp, PJVAL jvp, int k = 1);
char *LocateAll(PGLOBAL g, PJSON jsp, PJVAL jvp, int mx = 10);
protected:
my_bool SetArrayOptions(PGLOBAL g, char *p, int i, PSZ nm);
PVAL GetColumnValue(PGLOBAL g, PJSON row, int i);
PVAL ExpandArray(PGLOBAL g, PJAR arp, int n);
PVAL CalculateArray(PGLOBAL g, PJAR arp, int n);
PVAL MakeJson(PGLOBAL g, PJSON jsp);
void SetJsonValue(PGLOBAL g, PVAL vp, PJVAL val, int n);
PJSON GetRow(PGLOBAL g);
my_bool LocateArray(PJAR jarp);
my_bool LocateObject(PJOB jobp);
my_bool LocateValue(PJVAL jvp);
my_bool LocateArrayAll(PJAR jarp);
my_bool LocateObjectAll(PJOB jobp);
my_bool LocateValueAll(PJVAL jvp);
my_bool CompareTree(PJSON jp1, PJSON jp2);
my_bool AddPath(void);
// Default constructor not to be used
JSNX(void) {}
// Members
PJSON Row;
PJVAL Jvalp;
PJPN Jpnp;
JOUTSTR *Jp;
JNODE *Nodes; // The intermediate objects
PVAL Value;
PVAL MulVal; // To value used by multiple column
char *Jpath; // The json path
int Buf_Type;
int Long;
int Prec;
int Nod; // The number of intermediate objects
int Xnod; // Index of multiple values
int K; // Kth item to locate
int I; // Index of JPN
int Imax; // Max number of JPN's
int B; // Index base
my_bool Xpd; // True for expandable column
my_bool Parsed; // True when parsed
my_bool Found; // Item found by locate
my_bool Wr; // Write mode
my_bool Jb; // Must return json item
}; // end of class JSNX