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Improvements to EXPLAIN QUERY PLAN formatting. The MULTI-INDEX OR now shows

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a separate "INDEX" subtree for each index.  SCALAR SUBQUERY entries provide
a subquery number that is related back to the .selecttrace output.

FossilOrigin-Name: 7153552bac51295c56a1c42ca79d57195851e232509f9e9610375692f48c7e86
This commit is contained in:
drh
2018-12-24 20:21:06 +00:00
parent a599e150ca
commit bd462bcc10
17 changed files with 146 additions and 78 deletions
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7
src/vdbe.h
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@@ -208,6 +208,7 @@ VdbeOp *sqlite3VdbeAddOpList(Vdbe*, int nOp, VdbeOpList const *aOp,int iLineno);
void sqlite3VdbeExplain(Parse*,u8,const char*,...);
void sqlite3VdbeExplainPop(Parse*);
int sqlite3VdbeExplainParent(Parse*);
void sqlite3ExplainBreakpoint(const char*,const char*);
# define ExplainQueryPlan(P) sqlite3VdbeExplain P
# define ExplainQueryPlanPop(P) sqlite3VdbeExplainPop(P)
# define ExplainQueryPlanParent(P) sqlite3VdbeExplainParent(P)
@@ -215,6 +216,12 @@ VdbeOp *sqlite3VdbeAddOpList(Vdbe*, int nOp, VdbeOpList const *aOp,int iLineno);
# define ExplainQueryPlan(P)
# define ExplainQueryPlanPop(P)
# define ExplainQueryPlanParent(P) 0
# define sqlite3ExplainBreakpoint(A,B) /*no-op*/
#endif
#if defined(SQLITE_DEBUG) && !defined(SQLITE_OMIT_EXPLAIN)
void sqlite3ExplainBreakpoint(const char*,const char*);
#else
# define sqlite3ExplainBreakpoint(A,B) /*no-op*/
#endif
void sqlite3VdbeAddParseSchemaOp(Vdbe*,int,char*);
void sqlite3VdbeChangeOpcode(Vdbe*, u32 addr, u8);