68 lines
2.6 KiB
C#
68 lines
2.6 KiB
C#
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using Umbraco.Core.Persistence.SqlSyntax.ModelDefinitions;
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namespace Umbraco.Core.Persistence.SqlSyntax
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{
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internal class SqlCeSyntaxProvider : SqlSyntaxProviderBase<SqlCeSyntaxProvider>
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{
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public static SqlCeSyntaxProvider Instance = new SqlCeSyntaxProvider();
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private SqlCeSyntaxProvider()
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{
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StringLengthColumnDefinitionFormat = StringLengthUnicodeColumnDefinitionFormat;
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StringColumnDefinition = string.Format(StringLengthColumnDefinitionFormat, DefaultStringLength);
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AutoIncrementDefinition = "IDENTITY(1,1)";
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StringColumnDefinition = "NVARCHAR(255)";
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GuidColumnDefinition = "UniqueIdentifier";
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RealColumnDefinition = "FLOAT";
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BoolColumnDefinition = "BIT";
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DecimalColumnDefinition = "DECIMAL(38,6)";
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TimeColumnDefinition = "TIME"; //SQLSERVER 2008+
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BlobColumnDefinition = "VARBINARY(MAX)";
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InitColumnTypeMap();
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}
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public override string GetQuotedTableName(string tableName)
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{
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return string.Format("[{0}]", tableName);
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}
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public override string GetQuotedColumnName(string columnName)
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{
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return string.Format("[{0}]", columnName);
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}
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public override string GetQuotedName(string name)
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{
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return string.Format("[{0}]", name);
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}
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public override string GetPrimaryKeyStatement(ColumnDefinition column, string tableName)
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{
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string constraintName = string.IsNullOrEmpty(column.PrimaryKeyName)
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? string.Format("PK_{0}", tableName)
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: column.PrimaryKeyName;
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string columns = string.IsNullOrEmpty(column.PrimaryKeyColumns)
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? GetQuotedColumnName(column.ColumnName)
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: column.PrimaryKeyColumns;
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string sql = string.Format("ALTER TABLE {0} ADD CONSTRAINT {1} PRIMARY KEY ({2}); \n",
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GetQuotedTableName(tableName),
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GetQuotedName(constraintName),
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columns);
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return sql;
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}
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public override bool DoesTableExist(Database db, string tableName)
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{
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var result =
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db.ExecuteScalar<long>("SELECT COUNT(*) FROM INFORMATION_SCHEMA.TABLES WHERE TABLE_NAME = @TableName",
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new { TableName = tableName });
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return result > 0;
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}
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}
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}
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