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buildSrc/src/main/kotlin/org/jetbrains/exposed/gradle/Versions.kt
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exposed-core/src/main/kotlin/org/jetbrains/exposed/sql/vendors/ColumnMetadata.kt
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| @@ -0,0 +1,23 @@ | ||
| package org.jetbrains.exposed.sql.vendors | ||
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| /** | ||
| * Represents metadata information about a specific column. | ||
| */ | ||
| data class ColumnMetadata( | ||
| /** Name of the column. */ | ||
| val name: String, | ||
| /** | ||
| * Type of the column. | ||
| * | ||
| * @see java.sql.Types | ||
| */ | ||
| val type: Int, | ||
| /** Whether the column if nullable or not. */ | ||
| val nullable: Boolean, | ||
| /** Optional size of the column. */ | ||
| val size: Int?, | ||
| /** Is the column auto increment */ | ||
| val autoIncrement: Boolean, | ||
| /** Default value */ | ||
| val defaultDbValue: String?, | ||
| ) |
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exposed-core/src/main/kotlin/org/jetbrains/exposed/sql/vendors/DataTypeProvider.kt
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| package org.jetbrains.exposed.sql.vendors | ||
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| import org.jetbrains.exposed.exceptions.UnsupportedByDialectException | ||
| import org.jetbrains.exposed.sql.* | ||
| import org.jetbrains.exposed.sql.Function | ||
| import java.nio.ByteBuffer | ||
| import java.util.* | ||
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| /** | ||
| * Provides definitions for all the supported SQL data types. | ||
| * By default, definitions from the SQL standard are provided but if a vendor doesn't support a specific type, or it is | ||
| * implemented differently, the corresponding function should be overridden. | ||
| */ | ||
| abstract class DataTypeProvider { | ||
| // Numeric types | ||
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| /** Numeric type for storing 1-byte integers. */ | ||
| open fun byteType(): String = "TINYINT" | ||
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| /** Numeric type for storing 1-byte unsigned integers. | ||
| * | ||
| * **Note:** If the database being used is not MySQL, MariaDB, or SQL Server, this will represent the 2-byte | ||
| * integer type. | ||
| */ | ||
| open fun ubyteType(): String = "SMALLINT" | ||
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| /** Numeric type for storing 2-byte integers. */ | ||
| open fun shortType(): String = "SMALLINT" | ||
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| /** Numeric type for storing 2-byte unsigned integers. | ||
| * | ||
| * **Note:** If the database being used is not MySQL or MariaDB, this will represent the 4-byte integer type. | ||
| */ | ||
| open fun ushortType(): String = "INT" | ||
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| /** Numeric type for storing 4-byte integers. */ | ||
| open fun integerType(): String = "INT" | ||
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| /** Numeric type for storing 4-byte unsigned integers. | ||
| * | ||
| * **Note:** If the database being used is not MySQL or MariaDB, this will represent the 8-byte integer type. | ||
| */ | ||
| open fun uintegerType(): String = "BIGINT" | ||
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| /** Numeric type for storing 4-byte integers, marked as auto-increment. */ | ||
| open fun integerAutoincType(): String = "INT AUTO_INCREMENT" | ||
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| /** Numeric type for storing 8-byte integers. */ | ||
| open fun longType(): String = "BIGINT" | ||
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| /** Numeric type for storing 8-byte unsigned integers. */ | ||
| open fun ulongType(): String = "BIGINT" | ||
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| /** Numeric type for storing 8-byte integers, and marked as auto-increment. */ | ||
| open fun longAutoincType(): String = "BIGINT AUTO_INCREMENT" | ||
|
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| /** Numeric type for storing 4-byte (single precision) floating-point numbers. */ | ||
| open fun floatType(): String = "FLOAT" | ||
|
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| /** Numeric type for storing 8-byte (double precision) floating-point numbers. */ | ||
| open fun doubleType(): String = "DOUBLE PRECISION" | ||
|
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| // Character types | ||
|
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| /** Character type for storing strings of variable length up to a maximum. */ | ||
| open fun varcharType(colLength: Int): String = "VARCHAR($colLength)" | ||
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| /** Character type for storing strings of variable length. | ||
| * Some database (postgresql) use the same data type name to provide virtually _unlimited_ length. */ | ||
| open fun textType(): String = "TEXT" | ||
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| /** Character type for storing strings of _medium_ length. */ | ||
| open fun mediumTextType(): String = "TEXT" | ||
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| /** Character type for storing strings of variable and _large_ length. */ | ||
| open fun largeTextType(): String = "TEXT" | ||
|
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| // Binary data types | ||
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| /** Binary type for storing binary strings of variable and _unlimited_ length. */ | ||
| abstract fun binaryType(): String | ||
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| /** Binary type for storing binary strings of a specific [length]. */ | ||
| open fun binaryType(length: Int): String = if (length == Int.MAX_VALUE) "VARBINARY(MAX)" else "VARBINARY($length)" | ||
|
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| /** Binary type for storing BLOBs. */ | ||
| open fun blobType(): String = "BLOB" | ||
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| /** Binary type for storing [UUID]. */ | ||
| open fun uuidType(): String = "BINARY(16)" | ||
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| @Suppress("MagicNumber") | ||
| open fun uuidToDB(value: UUID): Any = | ||
| ByteBuffer.allocate(16).putLong(value.mostSignificantBits).putLong(value.leastSignificantBits).array() | ||
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| // Date/Time types | ||
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| /** Data type for storing both date and time without a time zone. */ | ||
| open fun dateTimeType(): String = "DATETIME" | ||
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| /** Data type for storing both date and time with a time zone. */ | ||
| open fun timestampWithTimeZoneType(): String = "TIMESTAMP WITH TIME ZONE" | ||
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| /** Time type for storing time without a time zone. */ | ||
| open fun timeType(): String = "TIME" | ||
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| /** Data type for storing date without time or a time zone. */ | ||
| open fun dateType(): String = "DATE" | ||
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| // Boolean type | ||
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| /** Data type for storing boolean values. */ | ||
| open fun booleanType(): String = "BOOLEAN" | ||
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| /** Returns the SQL representation of the specified [bool] value. */ | ||
| open fun booleanToStatementString(bool: Boolean): String = bool.toString().uppercase() | ||
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| /** Returns the boolean value of the specified SQL [value]. */ | ||
| open fun booleanFromStringToBoolean(value: String): Boolean = value.toBoolean() | ||
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| // JSON types | ||
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| /** Data type for storing JSON in a non-binary text format. */ | ||
| open fun jsonType(): String = "JSON" | ||
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| /** Data type for storing JSON in a decomposed binary format. */ | ||
| open fun jsonBType(): String = | ||
| throw UnsupportedByDialectException("This vendor does not support binary JSON data type", currentDialect) | ||
|
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| // Misc. | ||
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| /** Returns the SQL representation of the specified expression, for it to be used as a column default value. */ | ||
| open fun processForDefaultValue(e: Expression<*>): String = when { | ||
| e is LiteralOp<*> && e.columnType is JsonColumnMarker -> if (currentDialect is H2Dialect) { | ||
| "$e".substringAfter("JSON ") | ||
| } else { | ||
| "'$e'" | ||
| } | ||
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| e is LiteralOp<*> -> "$e" | ||
| e is Function<*> -> "$e" | ||
| currentDialect is MysqlDialect -> "$e" | ||
| currentDialect is SQLServerDialect -> "$e" | ||
| else -> "($e)" | ||
| } | ||
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| open fun precessOrderByClause(queryBuilder: QueryBuilder, expression: Expression<*>, sortOrder: SortOrder) { | ||
| queryBuilder.append((expression as? ExpressionAlias<*>)?.alias ?: expression, " ", sortOrder.code) | ||
| } | ||
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| /** Returns the hex-encoded value to be inserted into the database. */ | ||
| abstract fun hexToDb(hexString: String): String | ||
| } |
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