mirror of
https://github.com/VCMP-SqMod/SqMod.git
synced 2024-11-14 03:37:16 +01:00
428 lines
17 KiB
C++
428 lines
17 KiB
C++
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// ------------------------------------------------------------------------------------------------
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#include "Convert.hpp"
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// ------------------------------------------------------------------------------------------------
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#include <cerrno>
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#include <cstdio>
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#include <cstdlib>
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#include <cstring>
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// ------------------------------------------------------------------------------------------------
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namespace SqMod {
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// ------------------------------------------------------------------------------------------------
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CSStr SqMySQLTypename(enum_field_types type)
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{
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switch(type)
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{
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case MYSQL_TYPE_DECIMAL: return _SC("decimal");
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case MYSQL_TYPE_TINY: return _SC("tiny");
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case MYSQL_TYPE_SHORT: return _SC("short");
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case MYSQL_TYPE_LONG: return _SC("long");
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case MYSQL_TYPE_FLOAT: return _SC("float");
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case MYSQL_TYPE_DOUBLE: return _SC("double");
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case MYSQL_TYPE_NULL: return _SC("null");
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case MYSQL_TYPE_TIMESTAMP: return _SC("time-stamp");
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case MYSQL_TYPE_LONGLONG: return _SC("long-long");
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case MYSQL_TYPE_INT24: return _SC("int24");
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case MYSQL_TYPE_DATE: return _SC("date");
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case MYSQL_TYPE_TIME: return _SC("time");
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case MYSQL_TYPE_DATETIME: return _SC("date-time");
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case MYSQL_TYPE_YEAR: return _SC("year");
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case MYSQL_TYPE_NEWDATE: return _SC("new-date");
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case MYSQL_TYPE_VARCHAR: return _SC("var-char");
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case MYSQL_TYPE_BIT: return _SC("bit");
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#ifdef MYSQL_TYPE_TIMESTAMP2
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case MYSQL_TYPE_TIMESTAMP2: return _SC("time-stamp2");
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#endif // MYSQL_TYPE_TIMESTAMP2
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#ifdef MYSQL_TYPE_DATETIME2
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case MYSQL_TYPE_DATETIME2: return _SC("date-time2");
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#endif // MYSQL_TYPE_DATETIME2
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#ifdef MYSQL_TYPE_TIME2
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case MYSQL_TYPE_TIME2: return _SC("time2");
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#endif // MYSQL_TYPE_TIME2
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case MYSQL_TYPE_NEWDECIMAL: return _SC("new-decimal");
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case MYSQL_TYPE_ENUM: return _SC("enum");
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case MYSQL_TYPE_SET: return _SC("set");
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case MYSQL_TYPE_TINY_BLOB: return _SC("tiny-blob");
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case MYSQL_TYPE_MEDIUM_BLOB: return _SC("medium-blob");
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case MYSQL_TYPE_LONG_BLOB: return _SC("long-blob");
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case MYSQL_TYPE_BLOB: return _SC("blob");
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case MYSQL_TYPE_VAR_STRING: return _SC("var-string");
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case MYSQL_TYPE_STRING: return _SC("string");
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case MYSQL_TYPE_GEOMETRY: return _SC("geometry");
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default: return _SC("unknown");
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}
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}
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// ------------------------------------------------------------------------------------------------
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CSStr SqMySQLTypenameC(enum_field_types type)
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{
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switch(type)
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{
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case MYSQL_TYPE_DECIMAL: return _SC("Decimal");
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case MYSQL_TYPE_TINY: return _SC("Tiny");
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case MYSQL_TYPE_SHORT: return _SC("Short");
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case MYSQL_TYPE_LONG: return _SC("Long");
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case MYSQL_TYPE_FLOAT: return _SC("Float");
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case MYSQL_TYPE_DOUBLE: return _SC("Double");
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case MYSQL_TYPE_NULL: return _SC("Null");
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case MYSQL_TYPE_TIMESTAMP: return _SC("Time-Stamp");
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case MYSQL_TYPE_LONGLONG: return _SC("Long-Long");
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case MYSQL_TYPE_INT24: return _SC("Int24");
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case MYSQL_TYPE_DATE: return _SC("Date");
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case MYSQL_TYPE_TIME: return _SC("Time");
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case MYSQL_TYPE_DATETIME: return _SC("Date-Time");
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case MYSQL_TYPE_YEAR: return _SC("Year");
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case MYSQL_TYPE_NEWDATE: return _SC("New-Date");
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case MYSQL_TYPE_VARCHAR: return _SC("Var-Char");
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case MYSQL_TYPE_BIT: return _SC("Bit");
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#ifdef MYSQL_TYPE_TIMESTAMP2
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case MYSQL_TYPE_TIMESTAMP2: return _SC("Time-Stamp2");
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#endif // MYSQL_TYPE_TIMESTAMP2
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#ifdef MYSQL_TYPE_DATETIME2
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case MYSQL_TYPE_DATETIME2: return _SC("Date-Time2");
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#endif // MYSQL_TYPE_DATETIME2
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#ifdef MYSQL_TYPE_TIME2
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case MYSQL_TYPE_TIME2: return _SC("Time2");
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#endif // MYSQL_TYPE_TIME2
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case MYSQL_TYPE_NEWDECIMAL: return _SC("New-Decimal");
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case MYSQL_TYPE_ENUM: return _SC("Enum");
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case MYSQL_TYPE_SET: return _SC("Set");
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case MYSQL_TYPE_TINY_BLOB: return _SC("Tiny-Blob");
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case MYSQL_TYPE_MEDIUM_BLOB: return _SC("Medium-Blob");
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case MYSQL_TYPE_LONG_BLOB: return _SC("Long-Blob");
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case MYSQL_TYPE_BLOB: return _SC("Blob");
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case MYSQL_TYPE_VAR_STRING: return _SC("Var-String");
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case MYSQL_TYPE_STRING: return _SC("String");
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case MYSQL_TYPE_GEOMETRY: return _SC("Geometry");
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default: return _SC("Unknown");
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}
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}
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// ------------------------------------------------------------------------------------------------
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static inline Int64 MySQLDateStrToSeconds(CSStr value)
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{
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Uint32 y = 1000, m = 1, d = 1;
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// Attempt to extract the numeric values from the string
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std::sscanf(value, "%u - %u - %u", &y, &m, &d);
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// Calculate the number of seconds and return it
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return SqMod_DateRangeToSeconds(1000, 1, 1, y, m, d);
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}
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// ------------------------------------------------------------------------------------------------
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static inline Int64 MySQLTimeStrToSeconds(CSStr value)
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{
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Int32 h = 0, m = 0, s = 0;
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// Attempt to extract the numeric values from the string
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std::sscanf(value, "%d : %d : %d", &h, &m, &s);
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// Convert the hours to seconds
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h *= (60 * 60);
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// Add the remaining minutes and seconds and return the result
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return (h < 0) ? (h - ((m * 60) + s)) : (h + ((m * 60) + s));
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}
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// ------------------------------------------------------------------------------------------------
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static inline Int64 MySQLDatetimeStrToSeconds(CSStr value)
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{
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Uint32 y = 1000, mo = 1, d = 1, h = 0, mi = 0, s = 0;
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// Attempt to extract the numeric values from the string
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std::sscanf(value, "%u - %u - %u %u : %u : %u", &y, &mo, &d, &h, &mi, &s);
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// Calculate the number of seconds and return it
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return SqMod_DateRangeToSeconds(1000, 1, 1, y, mo, d) + (h * (60 * 60)) + ((mi * 60) + s);
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}
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// ------------------------------------------------------------------------------------------------
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static inline Int64 MySQLTimestampStrToSeconds(CSStr value)
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{
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Uint32 y = 1000, mo = 1, d = 1, h = 0, mi = 0, s = 0;
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// Attempt to extract the numeric values from the string
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std::sscanf(value, "%u - %u - %u %u : %u : %u", &y, &mo, &d, &h, &mi, &s);
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// Detect if this was time-stamp 0
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if (!y && !mo && !d && !h && !mi && !s)
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{
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return 0;
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}
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// Calculate the number of seconds and return it
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return SqMod_DateRangeToSeconds(1970, 1, 1, y, mo, d) + (h * (60 * 60)) + ((mi * 60) + s);
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}
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// ------------------------------------------------------------------------------------------------
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template < typename T > static inline T MemToNum(const Uint8 * b, Ulong l)
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{
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union
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{
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Uint8 a[8];
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T n;
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};
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n = 0ULL;
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switch (l)
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{
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default:
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case 8:
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{
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a[7] = b[0];
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a[6] = b[1];
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a[5] = b[2];
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a[4] = b[3];
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a[3] = b[4];
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a[2] = b[5];
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a[1] = b[6];
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a[0] = b[7];
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} break;
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case 7:
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{
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a[6] = b[0];
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a[5] = b[1];
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a[4] = b[2];
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a[3] = b[3];
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a[2] = b[4];
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a[1] = b[5];
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a[0] = b[6];
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} break;
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case 6:
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{
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a[5] = b[0];
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a[4] = b[1];
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a[3] = b[2];
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a[2] = b[3];
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a[1] = b[4];
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a[0] = b[5];
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} break;
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case 5:
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{
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a[4] = b[0];
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a[3] = b[1];
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a[2] = b[2];
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a[1] = b[3];
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a[0] = b[4];
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} break;
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case 4:
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{
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a[3] = b[0];
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a[2] = b[1];
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a[1] = b[2];
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a[0] = b[3];
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} break;
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case 3:
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{
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a[2] = b[0];
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a[1] = b[1];
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a[0] = b[2];
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} break;
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case 2:
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{
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a[1] = b[0];
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a[0] = b[1];
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} break;
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case 1:
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{
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a[0] = b[0];
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} break;
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case 0: break;
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}
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return n;
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}
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// ------------------------------------------------------------------------------------------------
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template < typename T >
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static inline T ConvertToSInt(CSStr value, Ulong length, enum_field_types type, CSStr tn)
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{
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// Is there even a value to attempt to extract?
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if (!value || *value == '\0')
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{
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return 0;
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}
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// Identify the type of value that must be converted and try to at least approximate something
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switch(type)
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{
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case MYSQL_TYPE_NULL:
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case MYSQL_TYPE_GEOMETRY: return static_cast< T >(0);
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case MYSQL_TYPE_BIT:
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case MYSQL_TYPE_YEAR:
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case MYSQL_TYPE_TINY:
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case MYSQL_TYPE_SHORT:
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case MYSQL_TYPE_INT24:
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case MYSQL_TYPE_LONG: return ConvTo< T >::From(std::strtol(value, nullptr, 10));
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case MYSQL_TYPE_LONGLONG:
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case MYSQL_TYPE_VARCHAR:
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case MYSQL_TYPE_VAR_STRING:
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case MYSQL_TYPE_STRING:
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case MYSQL_TYPE_ENUM:
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case MYSQL_TYPE_SET: return ConvTo< T >::From(std::strtoll(value, nullptr, 10));
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case MYSQL_TYPE_FLOAT: return ConvTo< T >::From(std::strtof(value, nullptr));
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case MYSQL_TYPE_DOUBLE:
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case MYSQL_TYPE_DECIMAL:
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case MYSQL_TYPE_NEWDECIMAL: return ConvTo< T >::From(std::strtod(value, nullptr));
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case MYSQL_TYPE_DATE:
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case MYSQL_TYPE_NEWDATE: return ConvTo< T >::From(MySQLDateStrToSeconds(value));
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case MYSQL_TYPE_TIME: return ConvTo< T >::From(MySQLTimeStrToSeconds(value));
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case MYSQL_TYPE_TIMESTAMP: return ConvTo< T >::From(MySQLTimestampStrToSeconds(value));
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case MYSQL_TYPE_DATETIME: return ConvTo< T >::From(MySQLDatetimeStrToSeconds(value));
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case MYSQL_TYPE_TINY_BLOB:
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case MYSQL_TYPE_MEDIUM_BLOB:
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case MYSQL_TYPE_LONG_BLOB:
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case MYSQL_TYPE_BLOB: return MemToNum< T >(reinterpret_cast< const Uint8 * >(value), length);
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default:
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{
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STHROWF("Unknown conversion from (%s) to (%s)", SqMySQLTypenameC(type), tn);
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} break;
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}
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// Should not reach this point!
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return 0;
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}
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// ------------------------------------------------------------------------------------------------
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template < typename T >
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static inline T ConvertToUInt(CSStr value, Ulong length, enum_field_types type, CSStr tn)
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{
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// Is there even a value to attempt to extract?
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if (!value || *value == '\0')
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{
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return 0;
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}
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// Identify the type of value that must be converted and try to at least approximate something
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switch(type)
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{
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case MYSQL_TYPE_NULL:
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case MYSQL_TYPE_GEOMETRY: return static_cast< T >(0);
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case MYSQL_TYPE_BIT:
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case MYSQL_TYPE_YEAR:
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case MYSQL_TYPE_TINY:
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case MYSQL_TYPE_SHORT:
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case MYSQL_TYPE_INT24:
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case MYSQL_TYPE_LONG: return ConvTo< T >::From(std::strtoul(value, nullptr, 10));
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case MYSQL_TYPE_LONGLONG:
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case MYSQL_TYPE_VARCHAR:
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case MYSQL_TYPE_VAR_STRING:
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case MYSQL_TYPE_STRING:
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case MYSQL_TYPE_ENUM:
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case MYSQL_TYPE_SET: return ConvTo< T >::From(std::strtoull(value, nullptr, 10));
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case MYSQL_TYPE_FLOAT: return ConvTo< T >::From(std::strtof(value, nullptr));
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case MYSQL_TYPE_DOUBLE:
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case MYSQL_TYPE_DECIMAL:
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case MYSQL_TYPE_NEWDECIMAL: return ConvTo< T >::From(std::strtod(value, nullptr));
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case MYSQL_TYPE_DATE:
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case MYSQL_TYPE_NEWDATE: return ConvTo< T >::From(MySQLDateStrToSeconds(value));
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case MYSQL_TYPE_TIME: return ConvTo< T >::From(MySQLTimeStrToSeconds(value));
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case MYSQL_TYPE_TIMESTAMP: return ConvTo< T >::From(MySQLTimestampStrToSeconds(value));
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case MYSQL_TYPE_DATETIME: return ConvTo< T >::From(MySQLDatetimeStrToSeconds(value));
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case MYSQL_TYPE_TINY_BLOB:
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case MYSQL_TYPE_MEDIUM_BLOB:
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case MYSQL_TYPE_LONG_BLOB:
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case MYSQL_TYPE_BLOB: return MemToNum< T >(reinterpret_cast< const Uint8 * >(value), length);
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default:
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{
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STHROWF("Unknown conversion from (%s) to (%s)", SqMySQLTypenameC(type), tn);
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} break;
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}
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// Should not reach this point!
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return 0;
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}
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// ------------------------------------------------------------------------------------------------
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Int8 DbConvTo< Int8 >::From(CSStr value, Ulong length, enum_field_types type, CSStr tn)
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{
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return ConvertToUInt< Int8 >(value, length, type, tn);
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||
|
|
}
|
||
|
|
|
||
|
|
// ------------------------------------------------------------------------------------------------
|
||
|
|
Uint8 DbConvTo< Uint8 >::From(CSStr value, Ulong length, enum_field_types type, CSStr tn)
|
||
|
|
{
|
||
|
|
return ConvertToUInt< Uint8 >(value, length, type, tn);
|
||
|
|
}
|
||
|
|
|
||
|
|
// ------------------------------------------------------------------------------------------------
|
||
|
|
Int16 DbConvTo< Int16 >::From(CSStr value, Ulong length, enum_field_types type, CSStr tn)
|
||
|
|
{
|
||
|
|
return ConvertToUInt< Int16 >(value, length, type, tn);
|
||
|
|
}
|
||
|
|
|
||
|
|
// ------------------------------------------------------------------------------------------------
|
||
|
|
Uint16 DbConvTo< Uint16 >::From(CSStr value, Ulong length, enum_field_types type, CSStr tn)
|
||
|
|
{
|
||
|
|
return ConvertToUInt< Uint16 >(value, length, type, tn);
|
||
|
|
}
|
||
|
|
|
||
|
|
// ------------------------------------------------------------------------------------------------
|
||
|
|
Int32 DbConvTo< Int32 >::From(CSStr value, Ulong length, enum_field_types type, CSStr tn)
|
||
|
|
{
|
||
|
|
return ConvertToUInt< Int32 >(value, length, type, tn);
|
||
|
|
}
|
||
|
|
|
||
|
|
// ------------------------------------------------------------------------------------------------
|
||
|
|
Uint32 DbConvTo< Uint32 >::From(CSStr value, Ulong length, enum_field_types type, CSStr tn)
|
||
|
|
{
|
||
|
|
return ConvertToUInt< Uint32 >(value, length, type, tn);
|
||
|
|
}
|
||
|
|
|
||
|
|
// ------------------------------------------------------------------------------------------------
|
||
|
|
Int64 DbConvTo< Int64 >::From(CSStr value, Ulong length, enum_field_types type, CSStr tn)
|
||
|
|
{
|
||
|
|
return ConvertToUInt< Int64 >(value, length, type, tn);
|
||
|
|
}
|
||
|
|
|
||
|
|
// ------------------------------------------------------------------------------------------------
|
||
|
|
Uint64 DbConvTo< Uint64 >::From(CSStr value, Ulong length, enum_field_types type, CSStr tn)
|
||
|
|
{
|
||
|
|
return ConvertToUInt< Uint64 >(value, length, type, tn);
|
||
|
|
}
|
||
|
|
|
||
|
|
// ------------------------------------------------------------------------------------------------
|
||
|
|
Float32 DbConvTo< Float32 >::From(CSStr value, Ulong length, enum_field_types type, CSStr tn)
|
||
|
|
{
|
||
|
|
// Is there even a value to attempt to extract?
|
||
|
|
if (!value || *value == '\0')
|
||
|
|
{
|
||
|
|
return 0;
|
||
|
|
}
|
||
|
|
// Identify the type of value that must be converted and try to at least approximate something
|
||
|
|
switch(type)
|
||
|
|
{
|
||
|
|
case MYSQL_TYPE_NULL:
|
||
|
|
case MYSQL_TYPE_GEOMETRY: return static_cast< Float32 >(0);
|
||
|
|
case MYSQL_TYPE_BIT:
|
||
|
|
case MYSQL_TYPE_YEAR:
|
||
|
|
case MYSQL_TYPE_TINY:
|
||
|
|
case MYSQL_TYPE_SHORT:
|
||
|
|
case MYSQL_TYPE_INT24:
|
||
|
|
case MYSQL_TYPE_LONG: return ConvTo< Float32 >::From(std::strtol(value, nullptr, 10));
|
||
|
|
case MYSQL_TYPE_LONGLONG:
|
||
|
|
case MYSQL_TYPE_ENUM:
|
||
|
|
case MYSQL_TYPE_SET: return ConvTo< Float32 >::From(std::strtoll(value, nullptr, 10));
|
||
|
|
case MYSQL_TYPE_VARCHAR:
|
||
|
|
case MYSQL_TYPE_VAR_STRING:
|
||
|
|
case MYSQL_TYPE_STRING:
|
||
|
|
case MYSQL_TYPE_FLOAT: return std::strtof(value, nullptr);
|
||
|
|
case MYSQL_TYPE_DOUBLE:
|
||
|
|
case MYSQL_TYPE_DECIMAL:
|
||
|
|
case MYSQL_TYPE_NEWDECIMAL: return ConvTo< Float32 >::From(std::strtod(value, nullptr));
|
||
|
|
case MYSQL_TYPE_DATE:
|
||
|
|
case MYSQL_TYPE_NEWDATE: return ConvTo< Float32 >::From(MySQLDateStrToSeconds(value));
|
||
|
|
case MYSQL_TYPE_TIME: return ConvTo< Float32 >::From(MySQLTimeStrToSeconds(value));
|
||
|
|
case MYSQL_TYPE_TIMESTAMP: return ConvTo< Float32 >::From(MySQLTimestampStrToSeconds(value));
|
||
|
|
case MYSQL_TYPE_DATETIME: return ConvTo< Float32 >::From(MySQLDatetimeStrToSeconds(value));
|
||
|
|
case MYSQL_TYPE_TINY_BLOB:
|
||
|
|
case MYSQL_TYPE_MEDIUM_BLOB:
|
||
|
|
case MYSQL_TYPE_LONG_BLOB:
|
||
|
|
case MYSQL_TYPE_BLOB: return MemToNum< Float32 >(reinterpret_cast< const Uint8 * >(value), length);
|
||
|
|
default:
|
||
|
|
{
|
||
|
|
STHROWF("Unknown conversion from (%s) to (%s)", SqMySQLTypenameC(type), tn);
|
||
|
|
} break;
|
||
|
|
}
|
||
|
|
// Should not reach this point!
|
||
|
|
return 0;
|
||
|
|
}
|
||
|
|
|
||
|
|
// ------------------------------------------------------------------------------------------------
|
||
|
|
Float64 DbConvTo< Float64 >::From(CSStr value, Ulong length, enum_field_types type, CSStr tn)
|
||
|
|
{
|
||
|
|
return 0.0;
|
||
|
|
}
|
||
|
|
|
||
|
|
} // Namespace:: SqMod
|