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MCOL-4144 Enable lower_case_table_names

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Create tables and schemas with lower case name only if the flag is set.
During operations, convert to lowercase in plugin. Byt the time a query gets to ExeMgr, DDLProc etc., everything must be lower case if the flag is set, and undisturbed if not.
This commit is contained in:
David Hall
2020-09-21 11:31:44 -05:00
parent 1c94e310ff
commit 35c4b66a67
32 changed files with 468 additions and 412 deletions
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13
dbcon/execplan/expressionparser.cpp
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@ -31,6 +31,7 @@ using namespace std;
#include "constantcolumn.h"
#include "operator.h"
#include "treenode.h"
#include <boost/algorithm/string/case_conv.hpp>
namespace execplan
{
@ -98,7 +99,7 @@ int ExpressionParser::positions(Token t)
return expression::close | expression::function_close;
default:
transform (oper.begin(), oper.end(), oper.begin(), to_lower());
boost::algorithm::to_lower(oper);
if (oper.compare ("and") == 0 || oper.compare ("or") == 0 )
return expression::infix;
@ -143,7 +144,7 @@ int ExpressionParser::position(TreeNode* op)
return expression::function_close;
default:
transform (oper.begin(), oper.end(), oper.begin(), to_lower());
boost::algorithm::to_lower(oper);
if (oper.compare ("and") == 0 || oper.compare ("or") == 0 )
return expression::infix;
@ -200,7 +201,7 @@ TreeNode* ExpressionParser::as_operator(Token t, int pos)
}
default:
transform (oper.begin(), oper.end(), oper.begin(), to_lower());
boost::algorithm::to_lower(oper);
if (oper.compare ("and") == 0 || oper.compare ("or") == 0 )
return t.value;
@ -295,7 +296,7 @@ ParseTree* ExpressionParser::reduce(ParseTree* a, TreeNode* b,
string content = value->data()->data();
ParseTree* root;
transform (functionName.begin(), functionName.end(), functionName.begin(), to_lower());
boost::algorithm::to_lower(functionName);
if (functionName.compare("sum") == 0 ||
functionName.compare("avg") == 0 ||
@ -346,7 +347,7 @@ int ExpressionParser::precnum(TreeNode* op)
return 7;
default:
transform (oper.begin(), oper.end(), oper.begin(), to_lower());
boost::algorithm::to_lower(oper);
if (oper.compare("or") == 0)
return 1;
@ -372,7 +373,7 @@ expression::associativity ExpressionParser::assoc(TreeNode* op)
return expression::left_associative;
default:
transform (oper.begin(), oper.end(), oper.begin(), to_lower());
boost::algorithm::to_lower(oper);
if (oper.compare("or") == 0 || oper.compare("and") == 0)
return expression::left_associative;