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remove a few leftovers from min aggregation cleanup

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Signed-off-by: Nuno Lopes <nlopes@microsoft.com>
This commit is contained in:
Nuno Lopes 2015-12-09 09:28:17 +00:00
parent 83db19654f
commit d9cd01f3f7
8 changed files with 0 additions and 295 deletions
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55
src/muz/rel/dl_instruction.cpp
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@ -25,7 +25,6 @@ Revision History:
#include"rel_context.h"
#include"debug.h"
#include"warning.h"
#include"dl_table_relation.h"
namespace datalog {
@ -886,60 +885,6 @@ namespace datalog {
removed_cols, result);
}
class instr_min : public instruction {
reg_idx m_source_reg;
reg_idx m_target_reg;
unsigned_vector m_group_by_cols;
unsigned m_min_col;
public:
instr_min(reg_idx source_reg, reg_idx target_reg, const unsigned_vector & group_by_cols, unsigned min_col)
: m_source_reg(source_reg),
m_target_reg(target_reg),
m_group_by_cols(group_by_cols),
m_min_col(min_col) {
}
virtual bool perform(execution_context & ctx) {
log_verbose(ctx);
if (!ctx.reg(m_source_reg)) {
ctx.make_empty(m_target_reg);
return true;
}
const relation_base & s = *ctx.reg(m_source_reg);
if (!s.from_table()) {
throw default_exception(default_exception::fmt(), "relation is not a table %s",
s.get_plugin().get_name().bare_str());
}
++ctx.m_stats.m_min;
const table_relation & tr = static_cast<const table_relation &>(s);
const table_base & source_t = tr.get_table();
relation_manager & r_manager = s.get_manager();
const relation_signature & r_sig = s.get_signature();
scoped_ptr<table_min_fn> fn = r_manager.mk_min_fn(source_t, m_group_by_cols, m_min_col);
table_base * target_t = (*fn)(source_t);
TRACE("dl",
tout << "% ";
target_t->display(tout);
tout << "\n";);
relation_base * target_r = r_manager.mk_table_relation(r_sig, target_t);
ctx.set_reg(m_target_reg, target_r);
return true;
}
virtual void display_head_impl(execution_context const& ctx, std::ostream & out) const {
out << " MIN AGGR ";
}
virtual void make_annotations(execution_context & ctx) {
}
};
instruction * instruction::mk_min(reg_idx source, reg_idx target, const unsigned_vector & group_by_cols,
const unsigned min_col) {
return alloc(instr_min, source, target, group_by_cols, min_col);
}
class instr_select_equal_and_project : public instruction {
reg_idx m_src;
reg_idx m_result;