commonMain.com.ctrip.sqllin.dsl.sql.compiler.EncodeEntities2SQL.kt Maven / Gradle / Ivy
Go to download
Show more of this group Show more artifacts with this name
Show all versions of sqllin-dsl Show documentation
Show all versions of sqllin-dsl Show documentation
SQL DSL APIs for SQLite on Kotlin Multiplatform
/*
* Copyright (C) 2022 Ctrip.com.
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
@file:OptIn(ExperimentalSerializationApi::class)
package com.ctrip.sqllin.dsl.sql.compiler
import kotlinx.serialization.ExperimentalSerializationApi
import kotlinx.serialization.SerializationStrategy
import kotlinx.serialization.descriptors.SerialDescriptor
/**
* Some function that used for encode entities to SQL
* @author yaqiao
*/
internal fun encodeEntities2InsertValues(serializer: SerializationStrategy, values: Iterable, parameters: MutableList): String = buildString {
append('(')
appendDBColumnName(serializer.descriptor)
append(')')
append(" values ")
val iterator = values.iterator()
do {
val value = iterator.next()
val encoder = InsertValuesEncoder(parameters)
encoder.encodeSerializableValue(serializer, value)
append(encoder.valuesSQL)
val hasNext = iterator.hasNext()
if (hasNext) append(',')
} while (hasNext)
}
@OptIn(ExperimentalSerializationApi::class)
internal infix fun StringBuilder.appendDBColumnName(descriptor: SerialDescriptor) {
for (i in 0 ..< descriptor.elementsCount) {
if (i != 0)
append(',')
append(descriptor.getElementName(i))
}
}
© 2015 - 2024 Weber Informatics LLC | Privacy Policy