Joseph Doherty
68 lines
2.6 KiB
C#
68 lines
2.6 KiB
C#
using System.Data.Common;
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using ZB.MOM.WW.OtOpcUa.Core.Abstractions;
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using ZB.MOM.WW.OtOpcUa.Driver.Sql.Contracts;
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using ZB.MOM.WW.OtOpcUa.Driver.Sql.Tests;
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namespace ZB.MOM.WW.OtOpcUa.Driver.Sql.Browser.Tests;
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/// <summary>
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/// <see cref="SqliteDialect"/> in every respect except that it reports <see cref="SqlProvider.Oracle"/>.
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/// It exists for exactly one assertion: <b>Oracle's <c>DATE</c> carries a time-of-day component</b>
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/// (<c>OracleDialect.MapColumnType</c> says so in as many words), so it is NOT the date-only type the
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/// row-selector ranking demotes on the other dialects, and an Oracle table whose <c>DATE</c> column is
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/// declared before its <c>TIMESTAMP</c> must still pick the <c>DATE</c> — the ordinary
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/// first-in-catalog-order tie-break.
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/// <para>Without this control, implementing the ranking provider-blind ("any type family spelled
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/// <c>date</c> is date-only") passes every other test in the suite while silently changing the pick on
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/// the one backend where the spelling means something else.</para>
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/// </summary>
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public sealed class OracleFlavouredSqliteDialect : ISqlDialect
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{
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private readonly SqliteDialect _inner = new();
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/// <summary>The whole point of the type: an Oracle-shaped provider over the SQLite catalog.</summary>
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public SqlProvider Provider => SqlProvider.Oracle;
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/// <inheritdoc/>
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public DbProviderFactory Factory => _inner.Factory;
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/// <inheritdoc/>
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public int MaxBindParameters => _inner.MaxBindParameters;
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/// <inheritdoc/>
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public string LivenessSql => _inner.LivenessSql;
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/// <inheritdoc/>
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public string SingleRowLimitPrefix => _inner.SingleRowLimitPrefix;
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/// <inheritdoc/>
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public string SingleRowLimitSuffix => _inner.SingleRowLimitSuffix;
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/// <inheritdoc/>
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public string ListSchemasSql => _inner.ListSchemasSql;
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/// <inheritdoc/>
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public string DefaultSchemaSql => _inner.DefaultSchemaSql;
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/// <inheritdoc/>
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public string ListTablesSql => _inner.ListTablesSql;
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/// <inheritdoc/>
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public string ListColumnsSql => _inner.ListColumnsSql;
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/// <inheritdoc/>
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public string QuoteIdentifier(string ident) => _inner.QuoteIdentifier(ident);
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/// <inheritdoc/>
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public string ParameterMarker(string baseName) => _inner.ParameterMarker(baseName);
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/// <inheritdoc/>
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public string ParameterBindName(string baseName) => _inner.ParameterBindName(baseName);
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/// <inheritdoc/>
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public void ConfigureCommand(DbCommand command) => _inner.ConfigureCommand(command);
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/// <inheritdoc/>
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public DriverDataType MapColumnType(string sqlDataType) => _inner.MapColumnType(sqlDataType);
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}
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