feat: implement converters for airbyte type/value to SQL

airbyte-integrations/connectors/destination-mssql-v2/src/main/kotlin/io/airbyte/cdk/load/data/TimeStringUtility.kt

@@ -0,0 +1,59 @@
+/*
+ * Copyright (c) 2024 Airbyte, Inc., all rights reserved.
+ */
+
+package io.airbyte.cdk.load.data
+
+import java.time.LocalDate
+import java.time.LocalDateTime
+import java.time.LocalTime
+import java.time.OffsetDateTime
+import java.time.OffsetTime
+import java.time.ZoneOffset
+import java.time.ZonedDateTime
+
+// TODO Copied from load-iceberg-parquet.  This class needs to be extracted
+object TimeStringUtility {
+
+    fun toLocalDate(dateString: String): LocalDate {
+        return LocalDate.parse(dateString, TimeStringToInteger.DATE_TIME_FORMATTER)
+    }
+
+    fun toLocalDateTime(dateString: String): LocalDateTime {
+        return LocalDateTime.parse(dateString, TimeStringToInteger.DATE_TIME_FORMATTER)
+    }
+
+    fun toOffset(timeString: String): LocalTime {
+        return try {
+            toMicrosOfDayWithTimezone(timeString)
+        } catch (e: Exception) {
+            toMicrosOfDayWithoutTimezone(timeString)
+        }
+    }
+
+    private fun toMicrosOfDayWithTimezone(timeString: String): LocalTime {
+        return OffsetTime.parse(timeString, TimeStringToInteger.TIME_FORMATTER).toLocalTime()
+    }
+
+    private fun toMicrosOfDayWithoutTimezone(timeString: String): LocalTime {
+        return LocalTime.parse(timeString, TimeStringToInteger.TIME_FORMATTER)
+    }
+
+    fun toOffsetDateTime(timestampString: String): OffsetDateTime {
+        return try {
+            toOffsetDateTimeWithTimezone(timestampString)
+        } catch (e: Exception) {
+            toOffsetDateTimeWithoutTimezone(timestampString)
+        }
+    }
+
+    private fun toOffsetDateTimeWithTimezone(timestampString: String): OffsetDateTime {
+        return ZonedDateTime.parse(timestampString, TimeStringToInteger.DATE_TIME_FORMATTER)
+            .toOffsetDateTime()
+    }
+
+    private fun toOffsetDateTimeWithoutTimezone(timestampString: String): OffsetDateTime {
+        return LocalDateTime.parse(timestampString, TimeStringToInteger.DATE_TIME_FORMATTER)
+            .atOffset(ZoneOffset.UTC)
+    }
+}

airbyte-integrations/connectors/destination-mssql-v2/src/main/kotlin/io/airbyte/cdk/load/data/sql/AirbyteTypeToSqlType.kt

@@ -0,0 +1,88 @@
+/*
+ * Copyright (c) 2024 Airbyte, Inc., all rights reserved.
+ */
+
+package io.airbyte.cdk.load.data.sql
+
+import io.airbyte.cdk.load.data.AirbyteType
+import io.airbyte.cdk.load.data.ArrayType
+import io.airbyte.cdk.load.data.ArrayTypeWithoutSchema
+import io.airbyte.cdk.load.data.BooleanType
+import io.airbyte.cdk.load.data.DateType
+import io.airbyte.cdk.load.data.IntegerType
+import io.airbyte.cdk.load.data.NumberType
+import io.airbyte.cdk.load.data.ObjectType
+import io.airbyte.cdk.load.data.ObjectTypeWithEmptySchema
+import io.airbyte.cdk.load.data.ObjectTypeWithoutSchema
+import io.airbyte.cdk.load.data.StringType
+import io.airbyte.cdk.load.data.TimeTypeWithTimezone
+import io.airbyte.cdk.load.data.TimeTypeWithoutTimezone
+import io.airbyte.cdk.load.data.TimestampTypeWithTimezone
+import io.airbyte.cdk.load.data.TimestampTypeWithoutTimezone
+import io.airbyte.cdk.load.data.UnionType
+import io.airbyte.cdk.load.data.UnknownType
+import java.sql.Types
+
+/** CDK pipeline [AirbyteType] to SQL [Types] converter. */
+class AirbyteTypeToSqlType {
+
+    /**
+     * Converts an [AirbyteType] to the associated SQL [Types] value.
+     *
+     * @param airbyteSchema The stream's Airbyte schema, represented as an [AirbyteType]
+     * @return The associated SQL [Types] value.
+     * @throws IllegalArgumentException if the [AirbyteType] is not supported.
+     */
+    fun convert(airbyteSchema: AirbyteType): Int {
+        return when (airbyteSchema) {
+            is ObjectType -> Types.BLOB
+            is ArrayType -> {
+                throw IllegalArgumentException("Array type is not supported")
+            }
+            is ArrayTypeWithoutSchema -> {
+                throw IllegalArgumentException("Array type without schema is not supported")
+            }
+            is BooleanType -> Types.BOOLEAN
+            is DateType -> Types.DATE
+            is IntegerType -> Types.BIGINT
+            is NumberType -> Types.DECIMAL
+            is ObjectTypeWithEmptySchema -> Types.BLOB
+            is ObjectTypeWithoutSchema -> Types.BLOB
+            is StringType -> Types.VARCHAR
+            is TimeTypeWithTimezone -> Types.TIME_WITH_TIMEZONE
+            is TimeTypeWithoutTimezone -> Types.TIME
+            is TimestampTypeWithTimezone -> Types.TIMESTAMP_WITH_TIMEZONE
+            is TimestampTypeWithoutTimezone -> Types.TIMESTAMP
+            is UnionType -> {
+                throw IllegalArgumentException("Union type is not supported")
+            }
+            is UnknownType -> Types.LONGVARCHAR
+        }
+    }
+}
+
+/**
+ * Extension function that converts an [ObjectType] into a [SqlTable] that can be used to define a
+ * SQL table.
+ *
+ * @param primaryKeys The list of configured primary key properties that should be treated as
+ * primary keys in the generated [SqlTable]
+ * @return The [SqlTable] that represents the table to be mapped to the stream represented by the
+ * [ObjectType].
+ */
+fun ObjectType.toSqlTable(primaryKeys: List<List<String>>): SqlTable {
+    val identifierFieldNames = primaryKeys.flatten().toSet()
+    val sqlTypeConverter = AirbyteTypeToSqlType()
+    val columns =
+        this.properties.entries.map { (name, field) ->
+            val isPrimaryKey = identifierFieldNames.contains(name)
+            val isNullable = !isPrimaryKey && field.nullable
+            SqlColumn(
+                name = name,
+                type = sqlTypeConverter.convert(field.type),
+                isPrimaryKey = isPrimaryKey,
+                isNullable = isNullable
+            )
+        }
+    return SqlTable(columns = columns)
+}

airbyte-integrations/connectors/destination-mssql-v2/src/main/kotlin/io/airbyte/cdk/load/data/sql/AirbyteValueToSqlValue.kt

@@ -0,0 +1,79 @@
+/*
+ * Copyright (c) 2024 Airbyte, Inc., all rights reserved.
+ */
+
+package io.airbyte.cdk.load.data.sql
+
+import io.airbyte.cdk.load.data.AirbyteValue
+import io.airbyte.cdk.load.data.ArrayValue
+import io.airbyte.cdk.load.data.BooleanValue
+import io.airbyte.cdk.load.data.DateValue
+import io.airbyte.cdk.load.data.IntegerValue
+import io.airbyte.cdk.load.data.NullValue
+import io.airbyte.cdk.load.data.NumberValue
+import io.airbyte.cdk.load.data.ObjectValue
+import io.airbyte.cdk.load.data.StringValue
+import io.airbyte.cdk.load.data.TimeStringUtility.toLocalDate
+import io.airbyte.cdk.load.data.TimeStringUtility.toLocalDateTime
+import io.airbyte.cdk.load.data.TimeStringUtility.toOffset
+import io.airbyte.cdk.load.data.TimeValue
+import io.airbyte.cdk.load.data.TimestampValue
+import io.airbyte.cdk.load.data.UnknownValue
+import java.sql.Date
+import java.sql.Time
+import java.sql.Timestamp
+
+/** CDK pipeline [AirbyteValue] to SQL values converter. */
+class AirbyteValueToSqlValue {
+
+    /**
+     * Converts an [AirbyteValue] to the associated SQL value.
+     *
+     * @param airbyteValue The [AirbyteValue] from an Airbyte record
+     * @return The corresponding SQL value for the given [AirbyteValue].
+     * @throws IllegalArgumentException if the [AirbyteValue] is not supported.
+     */
+    fun convert(airbyteValue: AirbyteValue): Any? {
+        return when (airbyteValue) {
+            is ObjectValue -> {
+                val convertedValues =
+                    airbyteValue.values.entries.associate { (name, value) ->
+                        name to convert(value)
+                    }
+                convertedValues
+            }
+            is ArrayValue -> throw IllegalArgumentException("Array type is not supported")
+            is BooleanValue -> airbyteValue.value
+            is DateValue -> Date.valueOf(toLocalDate(airbyteValue.value))
+            is IntegerValue -> airbyteValue.value
+            is NullValue -> null
+            is NumberValue -> airbyteValue.value.toDouble().toBigDecimal()
+            is StringValue -> airbyteValue.value
+            is TimeValue -> Time.valueOf(toOffset(airbyteValue.value))
+            is TimestampValue -> Timestamp.valueOf(toLocalDateTime(airbyteValue.value))
+            is UnknownValue -> throw IllegalArgumentException("Unknown type is not supported")
+        }
+    }
+}
+
+/**
+ * Extension function that converts an [ObjectValue] into a row of SQL values.
+ *
+ * @param sqlTable The [SqlTable] that contains data type information for each column. This is used
+ * to filter the [ObjectValue]'s values to only those that exist in the table.
+ * @return A [SqlTableRow] that contains values converted to their SQL data type equivalents from
+ * the provided [ObjectValue].
+ */
+fun ObjectValue.toSqlValue(sqlTable: SqlTable): SqlTableRow {
+    val converter = AirbyteValueToSqlValue()
+    return SqlTableRow(
+        values =
+            this.values
+                .filter { (name, _) -> sqlTable.columns.find { it.name == name } != null }
+                .map { (name, value) ->
+                    val dataType = sqlTable.columns.find { it.name == name }!!.type
+                    val converted = converter.convert(value)
+                    SqlTableRowValue(name = name, value = converted, type = dataType)
+                }
+    )
+}

airbyte-integrations/connectors/destination-mssql-v2/src/main/kotlin/io/airbyte/cdk/load/data/sql/SqlModels.kt

@@ -0,0 +1,45 @@
+/*
+ * Copyright (c) 2024 Airbyte, Inc., all rights reserved.
+ */
+
+package io.airbyte.cdk.load.data.sql
+
+import java.sql.Types
+
+/**
+ * Representation of a colum in a SQL table.
+ *
+ * @param name The name of the column
+ * @param type The data type of the column (see [Types] for values).
+ * @param isPrimaryKey Whether the column represents a primary key.
+ * @param isNullable Whether the column's value supports null values.
+ */
+data class SqlColumn(
+    val name: String,
+    val type: Int,
+    val isPrimaryKey: Boolean = false,
+    val isNullable: Boolean = false
+)
+
+/**
+ * Representation of a SQL table.
+ *
+ * @param columns The list of columns in the table.
+ */
+data class SqlTable(val columns: List<SqlColumn>)
+
+/**
+ * Representation of a value in a SQL row/column cell.
+ *
+ * @param name The name of the column.
+ * @param value The value of the row/column cell.
+ * @param type The SQL type of the row/column cell (see [Types] for values).
+ */
+data class SqlTableRowValue(val name: String, val value: Any?, val type: Int)
+
+/**
+ * Representation of a row of values in a SQL table.
+ *
+ * @param values A list of values stored in the row.
+ */
+data class SqlTableRow(val values: List<SqlTableRowValue>)