diff options
Diffstat (limited to 'sql/sp_head.h')
| -rw-r--r-- | sql/sp_head.h | 42 |
1 files changed, 39 insertions, 3 deletions
diff --git a/sql/sp_head.h b/sql/sp_head.h index 0b33c6b2142..39a74366ccb 100644 --- a/sql/sp_head.h +++ b/sql/sp_head.h @@ -182,6 +182,13 @@ public: void backpatch(struct sp_label *); + // Check that no unresolved references exist. + // If none found, 0 is returned, otherwise errors have been issued + // and -1 is returned. + // This is called by the parser at the end of a create procedure/function. + int + check_backpatch(THD *thd); + char *name(uint *lenp = 0) const { if (lenp) @@ -272,7 +279,7 @@ public: virtual void print(String *str) = 0; - virtual void set_destination(uint dest) + virtual void backpatch(uint dest, uint hpop, uint cpop) {} virtual uint opt_mark(sp_head *sp) @@ -394,8 +401,7 @@ public: virtual void opt_move(uint dst, List<sp_instr> *ibp); - virtual void - set_destination(uint dest) + virtual void backpatch(uint dest, uint hpop, uint cpop) { if (m_dest == 0) // Don't reset m_dest= dest; @@ -575,6 +581,21 @@ public: virtual void print(String *str); + virtual void backpatch(uint dest, uint hpop, uint cpop) + { + if (hpop > m_count) + m_count= 0; + else + m_count-= hpop; + } + + virtual uint opt_mark(sp_head *sp) + { + if (m_count) + marked= 1; + return m_ip+1; + } + private: uint m_count; @@ -655,6 +676,21 @@ public: virtual void print(String *str); + virtual void backpatch(uint dest, uint hpop, uint cpop) + { + if (cpop > m_count) + m_count= 0; + else + m_count-= cpop; + } + + virtual uint opt_mark(sp_head *sp) + { + if (m_count) + marked= 1; + return m_ip+1; + } + private: uint m_count; |