| 1 |  |  | // Go MySQL Driver - A MySQL-Driver for Go's database/sql package | 
            
                                                                                                            
                            
            
                                    
            
            
                | 2 |  |  | // | 
            
                                                                                                            
                            
            
                                    
            
            
                | 3 |  |  | // Copyright 2017 The Go-MySQL-Driver Authors. All rights reserved. | 
            
                                                                                                            
                            
            
                                    
            
            
                | 4 |  |  | // | 
            
                                                                                                            
                            
            
                                    
            
            
                | 5 |  |  | // This Source Code Form is subject to the terms of the Mozilla Public | 
            
                                                                                                            
                            
            
                                    
            
            
                | 6 |  |  | // License, v. 2.0. If a copy of the MPL was not distributed with this file, | 
            
                                                                                                            
                            
            
                                    
            
            
                | 7 |  |  | // You can obtain one at http://mozilla.org/MPL/2.0/. | 
            
                                                                                                            
                                                                
            
                                    
            
            
                | 8 |  |  |  | 
            
                                                                        
                            
            
                                    
            
            
                | 9 |  |  | package mysql | 
            
                                                                        
                            
            
                                    
            
            
                | 10 |  |  |  | 
            
                                                                        
                            
            
                                    
            
            
                | 11 |  |  | import ( | 
            
                                                                        
                            
            
                                    
            
            
                | 12 |  |  | 	"database/sql" | 
            
                                                                        
                            
            
                                    
            
            
                | 13 |  |  | 	"reflect" | 
            
                                                                        
                            
            
                                    
            
            
                | 14 |  |  | ) | 
            
                                                                        
                            
            
                                    
            
            
                | 15 |  |  |  | 
            
                                                                        
                            
            
                                    
            
            
                | 16 |  |  | func (mf *mysqlField) typeDatabaseName() string { | 
            
                                                                        
                            
            
                                    
            
            
                | 17 |  |  | 	switch mf.fieldType { | 
            
                                                                        
                            
            
                                    
            
            
                | 18 |  |  | 	case fieldTypeBit: | 
            
                                                                        
                            
            
                                    
            
            
                | 19 |  |  | 		return "BIT" | 
            
                                                                        
                            
            
                                    
            
            
                | 20 |  |  | 	case fieldTypeBLOB: | 
            
                                                                        
                            
            
                                    
            
            
                | 21 |  |  | 		if mf.charSet != collations[binaryCollation] { | 
            
                                                                        
                            
            
                                    
            
            
                | 22 |  |  | 			return "TEXT" | 
            
                                                                        
                            
            
                                    
            
            
                | 23 |  |  | 		} | 
            
                                                                        
                            
            
                                    
            
            
                | 24 |  |  | 		return "BLOB" | 
            
                                                                        
                            
            
                                    
            
            
                | 25 |  |  | 	case fieldTypeDate: | 
            
                                                                        
                            
            
                                    
            
            
                | 26 |  |  | 		return "DATE" | 
            
                                                                        
                            
            
                                    
            
            
                | 27 |  |  | 	case fieldTypeDateTime: | 
            
                                                                        
                            
            
                                    
            
            
                | 28 |  |  | 		return "DATETIME" | 
            
                                                                        
                            
            
                                    
            
            
                | 29 |  |  | 	case fieldTypeDecimal: | 
            
                                                                        
                            
            
                                    
            
            
                | 30 |  |  | 		return "DECIMAL" | 
            
                                                                        
                            
            
                                    
            
            
                | 31 |  |  | 	case fieldTypeDouble: | 
            
                                                                        
                            
            
                                    
            
            
                | 32 |  |  | 		return "DOUBLE" | 
            
                                                                        
                            
            
                                    
            
            
                | 33 |  |  | 	case fieldTypeEnum: | 
            
                                                                        
                            
            
                                    
            
            
                | 34 |  |  | 		return "ENUM" | 
            
                                                                        
                            
            
                                    
            
            
                | 35 |  |  | 	case fieldTypeFloat: | 
            
                                                                        
                            
            
                                    
            
            
                | 36 |  |  | 		return "FLOAT" | 
            
                                                                        
                            
            
                                    
            
            
                | 37 |  |  | 	case fieldTypeGeometry: | 
            
                                                                        
                            
            
                                    
            
            
                | 38 |  |  | 		return "GEOMETRY" | 
            
                                                                        
                            
            
                                    
            
            
                | 39 |  |  | 	case fieldTypeInt24: | 
            
                                                                        
                            
            
                                    
            
            
                | 40 |  |  | 		return "MEDIUMINT" | 
            
                                                                        
                            
            
                                    
            
            
                | 41 |  |  | 	case fieldTypeJSON: | 
            
                                                                        
                            
            
                                    
            
            
                | 42 |  |  | 		return "JSON" | 
            
                                                                        
                            
            
                                    
            
            
                | 43 |  |  | 	case fieldTypeLong: | 
            
                                                                        
                            
            
                                    
            
            
                | 44 |  |  | 		return "INT" | 
            
                                                                        
                            
            
                                    
            
            
                | 45 |  |  | 	case fieldTypeLongBLOB: | 
            
                                                                        
                            
            
                                    
            
            
                | 46 |  |  | 		if mf.charSet != collations[binaryCollation] { | 
            
                                                                        
                            
            
                                    
            
            
                | 47 |  |  | 			return "LONGTEXT" | 
            
                                                                        
                            
            
                                    
            
            
                | 48 |  |  | 		} | 
            
                                                                        
                            
            
                                    
            
            
                | 49 |  |  | 		return "LONGBLOB" | 
            
                                                                        
                            
            
                                    
            
            
                | 50 |  |  | 	case fieldTypeLongLong: | 
            
                                                                        
                            
            
                                    
            
            
                | 51 |  |  | 		return "BIGINT" | 
            
                                                                        
                            
            
                                    
            
            
                | 52 |  |  | 	case fieldTypeMediumBLOB: | 
            
                                                                        
                            
            
                                    
            
            
                | 53 |  |  | 		if mf.charSet != collations[binaryCollation] { | 
            
                                                                        
                            
            
                                    
            
            
                | 54 |  |  | 			return "MEDIUMTEXT" | 
            
                                                                        
                            
            
                                    
            
            
                | 55 |  |  | 		} | 
            
                                                                        
                            
            
                                    
            
            
                | 56 |  |  | 		return "MEDIUMBLOB" | 
            
                                                                        
                            
            
                                    
            
            
                | 57 |  |  | 	case fieldTypeNewDate: | 
            
                                                                        
                            
            
                                    
            
            
                | 58 |  |  | 		return "DATE" | 
            
                                                                        
                            
            
                                    
            
            
                | 59 |  |  | 	case fieldTypeNewDecimal: | 
            
                                                                        
                            
            
                                    
            
            
                | 60 |  |  | 		return "DECIMAL" | 
            
                                                                        
                            
            
                                    
            
            
                | 61 |  |  | 	case fieldTypeNULL: | 
            
                                                                        
                            
            
                                    
            
            
                | 62 |  |  | 		return "NULL" | 
            
                                                                        
                            
            
                                    
            
            
                | 63 |  |  | 	case fieldTypeSet: | 
            
                                                                        
                            
            
                                    
            
            
                | 64 |  |  | 		return "SET" | 
            
                                                                        
                            
            
                                    
            
            
                | 65 |  |  | 	case fieldTypeShort: | 
            
                                                                        
                            
            
                                    
            
            
                | 66 |  |  | 		return "SMALLINT" | 
            
                                                                        
                            
            
                                    
            
            
                | 67 |  |  | 	case fieldTypeString: | 
            
                                                                        
                            
            
                                    
            
            
                | 68 |  |  | 		if mf.charSet == collations[binaryCollation] { | 
            
                                                                        
                            
            
                                    
            
            
                | 69 |  |  | 			return "BINARY" | 
            
                                                                        
                            
            
                                    
            
            
                | 70 |  |  | 		} | 
            
                                                                        
                            
            
                                    
            
            
                | 71 |  |  | 		return "CHAR" | 
            
                                                                        
                            
            
                                    
            
            
                | 72 |  |  | 	case fieldTypeTime: | 
            
                                                                        
                            
            
                                    
            
            
                | 73 |  |  | 		return "TIME" | 
            
                                                                        
                            
            
                                    
            
            
                | 74 |  |  | 	case fieldTypeTimestamp: | 
            
                                                                        
                            
            
                                    
            
            
                | 75 |  |  | 		return "TIMESTAMP" | 
            
                                                                        
                            
            
                                    
            
            
                | 76 |  |  | 	case fieldTypeTiny: | 
            
                                                                        
                            
            
                                    
            
            
                | 77 |  |  | 		return "TINYINT" | 
            
                                                                        
                            
            
                                    
            
            
                | 78 |  |  | 	case fieldTypeTinyBLOB: | 
            
                                                                        
                            
            
                                    
            
            
                | 79 |  |  | 		if mf.charSet != collations[binaryCollation] { | 
            
                                                                        
                            
            
                                    
            
            
                | 80 |  |  | 			return "TINYTEXT" | 
            
                                                                        
                            
            
                                    
            
            
                | 81 |  |  | 		} | 
            
                                                                        
                            
            
                                    
            
            
                | 82 |  |  | 		return "TINYBLOB" | 
            
                                                                        
                            
            
                                    
            
            
                | 83 |  |  | 	case fieldTypeVarChar: | 
            
                                                                        
                            
            
                                    
            
            
                | 84 |  |  | 		if mf.charSet == collations[binaryCollation] { | 
            
                                                                        
                            
            
                                    
            
            
                | 85 |  |  | 			return "VARBINARY" | 
            
                                                                        
                            
            
                                    
            
            
                | 86 |  |  | 		} | 
            
                                                                        
                            
            
                                    
            
            
                | 87 |  |  | 		return "VARCHAR" | 
            
                                                                        
                            
            
                                    
            
            
                | 88 |  |  | 	case fieldTypeVarString: | 
            
                                                                        
                            
            
                                    
            
            
                | 89 |  |  | 		if mf.charSet == collations[binaryCollation] { | 
            
                                                                        
                            
            
                                    
            
            
                | 90 |  |  | 			return "VARBINARY" | 
            
                                                                        
                            
            
                                    
            
            
                | 91 |  |  | 		} | 
            
                                                                        
                            
            
                                    
            
            
                | 92 |  |  | 		return "VARCHAR" | 
            
                                                                        
                            
            
                                    
            
            
                | 93 |  |  | 	case fieldTypeYear: | 
            
                                                                        
                            
            
                                    
            
            
                | 94 |  |  | 		return "YEAR" | 
            
                                                                        
                            
            
                                    
            
            
                | 95 |  |  | 	default: | 
            
                                                                        
                            
            
                                    
            
            
                | 96 |  |  | 		return "" | 
            
                                                                        
                            
            
                                    
            
            
                | 97 |  |  | 	} | 
            
                                                                        
                            
            
                                    
            
            
                | 98 |  |  | } | 
            
                                                                        
                            
            
                                    
            
            
                | 99 |  |  |  | 
            
                                                                        
                            
            
                                    
            
            
                | 100 |  |  | var ( | 
            
                                                                        
                            
            
                                    
            
            
                | 101 |  |  | 	scanTypeFloat32   = reflect.TypeOf(float32(0)) | 
            
                                                                        
                            
            
                                    
            
            
                | 102 |  |  | 	scanTypeFloat64   = reflect.TypeOf(float64(0)) | 
            
                                                                        
                            
            
                                    
            
            
                | 103 |  |  | 	scanTypeInt8      = reflect.TypeOf(int8(0)) | 
            
                                                                        
                            
            
                                    
            
            
                | 104 |  |  | 	scanTypeInt16     = reflect.TypeOf(int16(0)) | 
            
                                                                        
                            
            
                                    
            
            
                | 105 |  |  | 	scanTypeInt32     = reflect.TypeOf(int32(0)) | 
            
                                                                        
                            
            
                                    
            
            
                | 106 |  |  | 	scanTypeInt64     = reflect.TypeOf(int64(0)) | 
            
                                                                        
                            
            
                                    
            
            
                | 107 |  |  | 	scanTypeNullFloat = reflect.TypeOf(sql.NullFloat64{}) | 
            
                                                                        
                            
            
                                    
            
            
                | 108 |  |  | 	scanTypeNullInt   = reflect.TypeOf(sql.NullInt64{}) | 
            
                                                                        
                            
            
                                    
            
            
                | 109 |  |  | 	scanTypeNullTime  = reflect.TypeOf(NullTime{}) | 
            
                                                                        
                            
            
                                    
            
            
                | 110 |  |  | 	scanTypeUint8     = reflect.TypeOf(uint8(0)) | 
            
                                                                        
                            
            
                                    
            
            
                | 111 |  |  | 	scanTypeUint16    = reflect.TypeOf(uint16(0)) | 
            
                                                                        
                            
            
                                    
            
            
                | 112 |  |  | 	scanTypeUint32    = reflect.TypeOf(uint32(0)) | 
            
                                                                        
                            
            
                                    
            
            
                | 113 |  |  | 	scanTypeUint64    = reflect.TypeOf(uint64(0)) | 
            
                                                                        
                            
            
                                    
            
            
                | 114 |  |  | 	scanTypeRawBytes  = reflect.TypeOf(sql.RawBytes{}) | 
            
                                                                        
                            
            
                                    
            
            
                | 115 |  |  | 	scanTypeUnknown   = reflect.TypeOf(new(interface{})) | 
            
                                                                        
                            
            
                                    
            
            
                | 116 |  |  | ) | 
            
                                                                        
                            
            
                                    
            
            
                | 117 |  |  |  | 
            
                                                                        
                            
            
                                    
            
            
                | 118 |  |  | type mysqlField struct { | 
            
                                                                        
                            
            
                                    
            
            
                | 119 |  |  | 	tableName string | 
            
                                                                        
                            
            
                                    
            
            
                | 120 |  |  | 	name      string | 
            
                                                                        
                            
            
                                    
            
            
                | 121 |  |  | 	length    uint32 | 
            
                                                                        
                            
            
                                    
            
            
                | 122 |  |  | 	flags     fieldFlag | 
            
                                                                        
                            
            
                                    
            
            
                | 123 |  |  | 	fieldType fieldType | 
            
                                                                        
                            
            
                                    
            
            
                | 124 |  |  | 	decimals  byte | 
            
                                                                        
                            
            
                                    
            
            
                | 125 |  |  | 	charSet   uint8 | 
            
                                                                        
                            
            
                                    
            
            
                | 126 |  |  | } | 
            
                                                                        
                            
            
                                    
            
            
                | 127 |  |  |  | 
            
                                                                        
                            
            
                                    
            
            
                | 128 |  |  | func (mf *mysqlField) scanType() reflect.Type { | 
            
                                                                        
                            
            
                                    
            
            
                | 129 |  |  | 	switch mf.fieldType { | 
            
                                                                        
                            
            
                                    
            
            
                | 130 |  |  | 	case fieldTypeTiny: | 
            
                                                                        
                            
            
                                    
            
            
                | 131 |  |  | 		if mf.flags&flagNotNULL != 0 { | 
            
                                                                        
                            
            
                                    
            
            
                | 132 |  |  | 			if mf.flags&flagUnsigned != 0 { | 
            
                                                                        
                            
            
                                    
            
            
                | 133 |  |  | 				return scanTypeUint8 | 
            
                                                                        
                            
            
                                    
            
            
                | 134 |  |  | 			} | 
            
                                                                        
                            
            
                                    
            
            
                | 135 |  |  | 			return scanTypeInt8 | 
            
                                                                        
                            
            
                                    
            
            
                | 136 |  |  | 		} | 
            
                                                                        
                            
            
                                    
            
            
                | 137 |  |  | 		return scanTypeNullInt | 
            
                                                                        
                            
            
                                    
            
            
                | 138 |  |  |  | 
            
                                                                        
                            
            
                                    
            
            
                | 139 |  |  | 	case fieldTypeShort, fieldTypeYear: | 
            
                                                                        
                            
            
                                    
            
            
                | 140 |  |  | 		if mf.flags&flagNotNULL != 0 { | 
            
                                                                        
                            
            
                                    
            
            
                | 141 |  |  | 			if mf.flags&flagUnsigned != 0 { | 
            
                                                                        
                            
            
                                    
            
            
                | 142 |  |  | 				return scanTypeUint16 | 
            
                                                                        
                            
            
                                    
            
            
                | 143 |  |  | 			} | 
            
                                                                        
                            
            
                                    
            
            
                | 144 |  |  | 			return scanTypeInt16 | 
            
                                                                        
                            
            
                                    
            
            
                | 145 |  |  | 		} | 
            
                                                                        
                            
            
                                    
            
            
                | 146 |  |  | 		return scanTypeNullInt | 
            
                                                                        
                            
            
                                    
            
            
                | 147 |  |  |  | 
            
                                                                        
                            
            
                                    
            
            
                | 148 |  |  | 	case fieldTypeInt24, fieldTypeLong: | 
            
                                                                        
                            
            
                                    
            
            
                | 149 |  |  | 		if mf.flags&flagNotNULL != 0 { | 
            
                                                                        
                            
            
                                    
            
            
                | 150 |  |  | 			if mf.flags&flagUnsigned != 0 { | 
            
                                                                        
                            
            
                                    
            
            
                | 151 |  |  | 				return scanTypeUint32 | 
            
                                                                        
                            
            
                                    
            
            
                | 152 |  |  | 			} | 
            
                                                                        
                            
            
                                    
            
            
                | 153 |  |  | 			return scanTypeInt32 | 
            
                                                                        
                            
            
                                    
            
            
                | 154 |  |  | 		} | 
            
                                                                        
                            
            
                                    
            
            
                | 155 |  |  | 		return scanTypeNullInt | 
            
                                                                        
                            
            
                                    
            
            
                | 156 |  |  |  | 
            
                                                                        
                            
            
                                    
            
            
                | 157 |  |  | 	case fieldTypeLongLong: | 
            
                                                                        
                            
            
                                    
            
            
                | 158 |  |  | 		if mf.flags&flagNotNULL != 0 { | 
            
                                                                        
                            
            
                                    
            
            
                | 159 |  |  | 			if mf.flags&flagUnsigned != 0 { | 
            
                                                                        
                            
            
                                    
            
            
                | 160 |  |  | 				return scanTypeUint64 | 
            
                                                                        
                            
            
                                    
            
            
                | 161 |  |  | 			} | 
            
                                                                        
                            
            
                                    
            
            
                | 162 |  |  | 			return scanTypeInt64 | 
            
                                                                        
                            
            
                                    
            
            
                | 163 |  |  | 		} | 
            
                                                                        
                            
            
                                    
            
            
                | 164 |  |  | 		return scanTypeNullInt | 
            
                                                                        
                            
            
                                    
            
            
                | 165 |  |  |  | 
            
                                                                        
                            
            
                                    
            
            
                | 166 |  |  | 	case fieldTypeFloat: | 
            
                                                                        
                            
            
                                    
            
            
                | 167 |  |  | 		if mf.flags&flagNotNULL != 0 { | 
            
                                                                        
                            
            
                                    
            
            
                | 168 |  |  | 			return scanTypeFloat32 | 
            
                                                                        
                            
            
                                    
            
            
                | 169 |  |  | 		} | 
            
                                                                        
                            
            
                                    
            
            
                | 170 |  |  | 		return scanTypeNullFloat | 
            
                                                                        
                            
            
                                    
            
            
                | 171 |  |  |  | 
            
                                                                        
                            
            
                                    
            
            
                | 172 |  |  | 	case fieldTypeDouble: | 
            
                                                                        
                            
            
                                    
            
            
                | 173 |  |  | 		if mf.flags&flagNotNULL != 0 { | 
            
                                                                        
                            
            
                                    
            
            
                | 174 |  |  | 			return scanTypeFloat64 | 
            
                                                                        
                            
            
                                    
            
            
                | 175 |  |  | 		} | 
            
                                                                        
                            
            
                                    
            
            
                | 176 |  |  | 		return scanTypeNullFloat | 
            
                                                                        
                            
            
                                    
            
            
                | 177 |  |  |  | 
            
                                                                        
                            
            
                                    
            
            
                | 178 |  |  | 	case fieldTypeDecimal, fieldTypeNewDecimal, fieldTypeVarChar, | 
            
                                                                        
                            
            
                                    
            
            
                | 179 |  |  | 		fieldTypeBit, fieldTypeEnum, fieldTypeSet, fieldTypeTinyBLOB, | 
            
                                                                        
                            
            
                                    
            
            
                | 180 |  |  | 		fieldTypeMediumBLOB, fieldTypeLongBLOB, fieldTypeBLOB, | 
            
                                                                        
                            
            
                                    
            
            
                | 181 |  |  | 		fieldTypeVarString, fieldTypeString, fieldTypeGeometry, fieldTypeJSON, | 
            
                                                                        
                            
            
                                    
            
            
                | 182 |  |  | 		fieldTypeTime: | 
            
                                                                        
                            
            
                                    
            
            
                | 183 |  |  | 		return scanTypeRawBytes | 
            
                                                                        
                            
            
                                    
            
            
                | 184 |  |  |  | 
            
                                                                        
                            
            
                                    
            
            
                | 185 |  |  | 	case fieldTypeDate, fieldTypeNewDate, | 
            
                                                                        
                            
            
                                    
            
            
                | 186 |  |  | 		fieldTypeTimestamp, fieldTypeDateTime: | 
            
                                                                        
                            
            
                                    
            
            
                | 187 |  |  | 		// NullTime is always returned for more consistent behavior as it can | 
            
                                                                        
                            
            
                                    
            
            
                | 188 |  |  | 		// handle both cases of parseTime regardless if the field is nullable. | 
            
                                                                        
                            
            
                                    
            
            
                | 189 |  |  | 		return scanTypeNullTime | 
            
                                                                        
                            
            
                                    
            
            
                | 190 |  |  |  | 
            
                                                                        
                            
            
                                    
            
            
                | 191 |  |  | 	default: | 
            
                                                                        
                            
            
                                    
            
            
                | 192 |  |  | 		return scanTypeUnknown | 
            
                                                                                                            
                            
            
                                    
            
            
                | 193 |  |  | 	} | 
            
                                                                                                            
                                                                
            
                                    
            
            
                | 194 |  |  | } | 
            
                                                        
            
                                    
            
            
                | 195 |  |  |  |