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authorOleksandr Byelkin <sanja@mariadb.com>2021-02-16 14:56:59 +0100
committerOleksandr Byelkin <sanja@mariadb.com>2021-02-16 14:56:59 +0100
commite0072fadcb00edae74e748aee3148075b9cddae2 (patch)
tree625d5c0869cfbb322a2b4cdaab453e17fd5d31bf /storage/connect/tabbson.h
parent1146e98b3af3e2b15df0598a860f4571663a98d0 (diff)
parentae7989ca2059869f81c837509e5ff554f7f63562 (diff)
downloadmariadb-git-10.6-halfmerge.tar.gz
Merge branch 'bb-10.5-release' into bb-10.6-release10.6-halfmerge
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+/*************** tabbson H Declares Source Code File (.H) **************/
+/* Name: tabbson.h Version 1.0 */
+/* */
+/* (C) Copyright to the author Olivier BERTRAND 2020 */
+/* */
+/* This file contains the BSON classes declares. */
+/***********************************************************************/
+#pragma once
+#include "block.h"
+#include "colblk.h"
+#include "bson.h"
+#include "tabjson.h"
+
+typedef class BTUTIL* PBTUT;
+typedef class BCUTIL* PBCUT;
+typedef class BSONDEF* PBDEF;
+typedef class TDBBSON* PBTDB;
+typedef class BSONCOL* PBSCOL;
+class TDBBSN;
+DllExport PQRYRES BSONColumns(PGLOBAL, PCSZ, PCSZ, PTOS, bool);
+
+/***********************************************************************/
+/* Class used to get the columns of a mongo collection. */
+/***********************************************************************/
+class BSONDISC : public BLOCK {
+public:
+ // Constructor
+ BSONDISC(PGLOBAL g, uint* lg);
+
+ // Functions
+ int GetColumns(PGLOBAL g, PCSZ db, PCSZ dsn, PTOS topt);
+ bool Find(PGLOBAL g, PBVAL jvp, PCSZ key, int j);
+ void AddColumn(PGLOBAL g);
+
+ // Members
+ JCOL jcol;
+ PJCL jcp, fjcp, pjcp;
+ //PVL vlp;
+ PBDEF tdp;
+ TDBBSN *tjnp;
+ PBTDB tjsp;
+ PBPR jpp;
+ PBVAL jsp;
+ PBPR row;
+ PBTUT bp;
+ PCSZ sep;
+ char colname[65], fmt[129], buf[16];
+ uint *length;
+ int i, n, bf, ncol, lvl, sz, limit;
+ bool all, strfy;
+}; // end of BSONDISC
+
+/***********************************************************************/
+/* JSON table. */
+/***********************************************************************/
+class DllExport BSONDEF : public DOSDEF { /* Table description */
+ friend class TDBBSON;
+ friend class TDBBSN;
+ friend class TDBBCL;
+ friend class BSONDISC;
+ friend class BSONCOL;
+#if defined(CMGO_SUPPORT)
+ friend class CMGFAM;
+#endif // CMGO_SUPPORT
+#if defined(JAVA_SUPPORT)
+ friend class JMGFAM;
+#endif // JAVA_SUPPORT
+public:
+ // Constructor
+ BSONDEF(void);
+
+ // Implementation
+ virtual const char* GetType(void) { return "BSON"; }
+
+ // Methods
+ virtual bool DefineAM(PGLOBAL g, LPCSTR am, int poff);
+ virtual PTDB GetTable(PGLOBAL g, MODE m);
+
+protected:
+ // Members
+ PGLOBAL G; /* Bson utility memory */
+ JMODE Jmode; /* MODE_OBJECT by default */
+ PCSZ Objname; /* Name of first level object */
+ PCSZ Xcol; /* Name of expandable column */
+ int Limit; /* Limit of multiple values */
+ int Pretty; /* Depends on file structure */
+ int Base; /* The array index base */
+ bool Strict; /* Strict syntax checking */
+ char Sep; /* The Jpath separator */
+ const char* Uri; /* MongoDB connection URI */
+ PCSZ Collname; /* External collection name */
+ PSZ Options; /* Colist ; Pipe */
+ PSZ Filter; /* Filter */
+ PSZ Driver; /* MongoDB Driver (C or JAVA) */
+ bool Pipe; /* True if Colist is a pipeline */
+ int Version; /* Driver version */
+ PSZ Wrapname; /* MongoDB java wrapper name */
+}; // end of BSONDEF
+
+
+/* -------------------------- BTUTIL class --------------------------- */
+
+/***********************************************************************/
+/* Handles all BJSON actions for a BSON table. */
+/***********************************************************************/
+class BTUTIL : public BDOC {
+public:
+ // Constructor
+ BTUTIL(PGLOBAL G, TDBBSN* tp) : BDOC(G) { Tp = tp; }
+
+ // Utility functions
+ PBVAL FindRow(PGLOBAL g);
+ PBVAL ParseLine(PGLOBAL g, int prty, bool cma);
+ PBVAL MakeTopTree(PGLOBAL g, int type);
+ PSZ SerialVal(PGLOBAL g, PBVAL top, int pretty);
+
+protected:
+ // Members
+ TDBBSN* Tp;
+}; // end of class BTUTIL
+
+/* -------------------------- BCUTIL class --------------------------- */
+
+/***********************************************************************/
+/* Handles all BJSON actions for a BSON columns. */
+/***********************************************************************/
+class BCUTIL : public BTUTIL {
+public:
+ // Constructor
+ BCUTIL(PGLOBAL G, PBSCOL cp, TDBBSN* tp) : BTUTIL(G, tp)
+ { Cp = cp; Jb = false; }
+
+ // Utility functions
+ void SetJsonValue(PGLOBAL g, PVAL vp, PBVAL jvp);
+ PBVAL MakeBson(PGLOBAL g, PBVAL jsp, int n);
+ PBVAL GetRowValue(PGLOBAL g, PBVAL row, int i);
+ PVAL GetColumnValue(PGLOBAL g, PBVAL row, int i);
+ PVAL ExpandArray(PGLOBAL g, PBVAL arp, int n);
+ PVAL CalculateArray(PGLOBAL g, PBVAL arp, int n);
+ PBVAL GetRow(PGLOBAL g);
+
+protected:
+ // Member
+ PBSCOL Cp;
+ bool Jb;
+}; // end of class BCUTIL
+
+ /* -------------------------- TDBBSN class --------------------------- */
+
+/***********************************************************************/
+/* This is the BSN Access Method class declaration. */
+/* The table is a DOS file, each record being a JSON object. */
+/***********************************************************************/
+class DllExport TDBBSN : public TDBDOS {
+ friend class BSONCOL;
+ friend class BSONDEF;
+ friend class BTUTIL;
+ friend class BCUTIL;
+ friend class BSONDISC;
+#if defined(CMGO_SUPPORT)
+ friend class CMGFAM;
+#endif // CMGO_SUPPORT
+#if defined(JAVA_SUPPORT)
+ friend class JMGFAM;
+#endif // JAVA_SUPPORT
+public:
+ // Constructor
+ TDBBSN(PGLOBAL g, PBDEF tdp, PTXF txfp);
+ TDBBSN(TDBBSN* tdbp);
+
+ // Implementation
+ virtual AMT GetAmType(void) { return TYPE_AM_JSN; }
+ virtual bool SkipHeader(PGLOBAL g);
+ virtual PTDB Duplicate(PGLOBAL g) { return (PTDB)new(g) TDBBSN(this); }
+ PBVAL GetRow(void) { return Row; }
+
+ // Methods
+ virtual PTDB Clone(PTABS t);
+ virtual PCOL MakeCol(PGLOBAL g, PCOLDEF cdp, PCOL cprec, int n);
+ virtual PCOL InsertSpecialColumn(PCOL colp);
+ virtual int RowNumber(PGLOBAL g, bool b = FALSE) {return (b) ? M : N;}
+ virtual bool CanBeFiltered(void)
+ {return Txfp->GetAmType() == TYPE_AM_MGO || !Xcol;}
+
+ // Database routines
+ virtual int Cardinality(PGLOBAL g);
+ virtual int GetMaxSize(PGLOBAL g);
+ virtual bool OpenDB(PGLOBAL g);
+ virtual int ReadDB(PGLOBAL g);
+ virtual bool PrepareWriting(PGLOBAL g);
+ virtual int WriteDB(PGLOBAL g);
+ virtual void CloseDB(PGLOBAL g);
+
+ // Specific routine
+ virtual int EstimatedLength(void);
+
+protected:
+ PBVAL FindRow(PGLOBAL g);
+//int MakeTopTree(PGLOBAL g, PBVAL jsp);
+
+ // Members
+ PBTUT Bp; // The BSUTIL handling class
+ PBVAL Top; // The top JSON tree
+ PBVAL Row; // The current row
+ PBSCOL Colp; // The multiple column
+ JMODE Jmode; // MODE_OBJECT by default
+ PCSZ Objname; // The table object name
+ PCSZ Xcol; // Name of expandable column
+ int Fpos; // The current row index
+ int N; // The current Rownum
+ int M; // Index of multiple value
+ int Limit; // Limit of multiple values
+ int Pretty; // Depends on file structure
+ int NextSame; // Same next row
+ int SameRow; // Same row nb
+ int Xval; // Index of expandable array
+ int B; // Array index base
+ char Sep; // The Jpath separator
+ bool Strict; // Strict syntax checking
+ bool Comma; // Row has final comma
+}; // end of class TDBBSN
+
+/* -------------------------- BSONCOL class -------------------------- */
+
+/***********************************************************************/
+/* Class BSONCOL: JSON access method column descriptor. */
+/***********************************************************************/
+class DllExport BSONCOL : public DOSCOL {
+ friend class TDBBSN;
+ friend class TDBBSON;
+ friend class BCUTIL;
+#if defined(CMGO_SUPPORT)
+ friend class CMGFAM;
+#endif // CMGO_SUPPORT
+#if defined(JAVA_SUPPORT)
+ friend class JMGFAM;
+#endif // JAVA_SUPPORT
+public:
+ // Constructors
+ BSONCOL(PGLOBAL g, PCOLDEF cdp, PTDB tdbp, PCOL cprec, int i);
+ BSONCOL(BSONCOL* colp, PTDB tdbp); // Constructor used in copy process
+
+ // Implementation
+ virtual int GetAmType(void) { return Tbp->GetAmType(); }
+
+ // Methods
+ virtual bool SetBuffer(PGLOBAL g, PVAL value, bool ok, bool check);
+ bool ParseJpath(PGLOBAL g);
+ virtual PSZ GetJpath(PGLOBAL g, bool proj);
+ virtual void ReadColumn(PGLOBAL g);
+ virtual void WriteColumn(PGLOBAL g);
+
+protected:
+ bool CheckExpand(PGLOBAL g, int i, PSZ nm, bool b);
+ bool SetArrayOptions(PGLOBAL g, char* p, int i, PSZ nm);
+
+ // Default constructor not to be used
+ BSONCOL(void) {}
+
+ // Members
+ TDBBSN *Tbp; // To the JSN table block
+ PBCUT Cp; // To the BCUTIL handling class
+ PVAL MulVal; // To value used by multiple column
+ char *Jpath; // The json path
+ JNODE *Nodes; // The intermediate objects
+ int Nod; // The number of intermediate objects
+ int Xnod; // Index of multiple values
+ char Sep; // The Jpath separator
+ bool Xpd; // True for expandable column
+ bool Parsed; // True when parsed
+ bool Warned; // True when warning issued
+}; // end of class BSONCOL
+
+/* -------------------------- TDBBSON class -------------------------- */
+
+/***********************************************************************/
+/* This is the JSON Access Method class declaration. */
+/***********************************************************************/
+class DllExport TDBBSON : public TDBBSN {
+ friend class BSONDEF;
+ friend class BSONCOL;
+public:
+ // Constructor
+ TDBBSON(PGLOBAL g, PBDEF tdp, PTXF txfp);
+ TDBBSON(PBTDB tdbp);
+
+ // Implementation
+ virtual AMT GetAmType(void) { return TYPE_AM_JSON; }
+ virtual PTDB Duplicate(PGLOBAL g) { return (PTDB)new(g) TDBBSON(this); }
+ PBVAL GetDoc(void) { return Docp; }
+
+ // Methods
+ virtual PTDB Clone(PTABS t);
+
+ // Database routines
+ virtual int Cardinality(PGLOBAL g);
+ virtual int GetMaxSize(PGLOBAL g);
+ virtual void ResetSize(void);
+ virtual int GetProgCur(void) { return N; }
+ virtual int GetRecpos(void);
+ virtual bool SetRecpos(PGLOBAL g, int recpos);
+ virtual bool OpenDB(PGLOBAL g);
+ virtual int ReadDB(PGLOBAL g);
+ virtual bool PrepareWriting(PGLOBAL g) { return false; }
+ virtual int WriteDB(PGLOBAL g);
+ virtual int DeleteDB(PGLOBAL g, int irc);
+ virtual void CloseDB(PGLOBAL g);
+ int MakeDocument(PGLOBAL g);
+
+ // Optimization routines
+ virtual int MakeIndex(PGLOBAL g, PIXDEF pxdf, bool add);
+
+protected:
+ int MakeNewDoc(PGLOBAL g);
+
+ // Members
+ PBVAL Docp; // The document array
+ int Multiple; // 0: No 1: DIR 2: Section 3: filelist
+ bool Done; // True when document parsing is done
+ bool Changed; // After Update, Insert or Delete
+}; // end of class TDBBSON
+
+/***********************************************************************/
+/* This is the class declaration for the JSON catalog table. */
+/***********************************************************************/
+class DllExport TDBBCL : public TDBCAT {
+public:
+ // Constructor
+ TDBBCL(PBDEF tdp);
+
+protected:
+ // Specific routines
+ virtual PQRYRES GetResult(PGLOBAL g);
+
+ // Members
+ PTOS Topt;
+ PCSZ Db;
+ PCSZ Dsn;
+}; // end of class TDBBCL