data0type.cc

#include "data0type.h"

dtype_t		dtype_binary_val = {DATA_BINARY, 0, 0, 0};
dtype_t* 	dtype_binary 	= &dtype_binary_val;

/*在调试版本中校验dtype的合法性*/
ibool dtype_validate(dtype_t* type)
{
	ut_a(type);
	ut_a((type->mtype >= DATA_VARCHAR) && (type->mtype <= DATA_MYSQL));
	if(type->mtype == DATA_SYS)
		ut_a(type->prtype <= DATA_MIX_ID);

	return TRUE;
}

void dtype_print(dtype_t* type)	
{
	ulint	mtype;
	ulint	prtype;
	ulint	len;

	ut_a(type);

	mtype = type->mtype;
	prtype = type->prtype;
	if (mtype == DATA_VARCHAR) {
		printf("DATA_VARCHAR");
	} else if (mtype == DATA_CHAR) {
		printf("DATA_CHAR");
	} else if (mtype == DATA_BINARY) {
		printf("DATA_BINARY");
	} else if (mtype == DATA_INT) {
		printf("DATA_INT");
	} else if (mtype == DATA_MYSQL) {
		printf("DATA_MYSQL");
	} else if (mtype == DATA_SYS) {
		printf("DATA_SYS");
	} else {
		printf("type %lu", mtype);
	}

	len = type->len;

	if ((type->mtype == DATA_SYS)
		|| (type->mtype == DATA_VARCHAR)
		|| (type->mtype == DATA_CHAR)) {
			printf(" ");
			if (prtype == DATA_ROW_ID) {
				printf("DATA_ROW_ID");
				len = DATA_ROW_ID_LEN;
			} else if (prtype == DATA_ROLL_PTR) {
				printf("DATA_ROLL_PTR");
				len = DATA_ROLL_PTR_LEN;
			} else if (prtype == DATA_TRX_ID) {
				printf("DATA_TRX_ID");
				len = DATA_TRX_ID_LEN;
			} else if (prtype == DATA_MIX_ID) {
				printf("DATA_MIX_ID");
			} else if (prtype == DATA_ENGLISH) {
				printf("DATA_ENGLISH");
			} else if (prtype == DATA_FINNISH) {
				printf("DATA_FINNISH");
			} else {
				printf("prtype %lu", mtype);
			}
	}

	printf(" len %lu prec %lu", len, type->prec);
}