Java Code Examples for org.apache.calcite.util.NlsString#getCollation()
The following examples show how to use
org.apache.calcite.util.NlsString#getCollation() .
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Example 1
Source File: SqlUtil.java From Bats with Apache License 2.0 | 6 votes |
/** * Creates the type of an {@link org.apache.calcite.util.NlsString}. * * <p>The type inherits the The NlsString's {@link Charset} and * {@link SqlCollation}, if they are set, otherwise it gets the system * defaults. * * @param typeFactory Type factory * @param str String * @return Type, including collation and charset */ public static RelDataType createNlsStringType( RelDataTypeFactory typeFactory, NlsString str) { Charset charset = str.getCharset(); if (null == charset) { charset = typeFactory.getDefaultCharset(); } SqlCollation collation = str.getCollation(); if (null == collation) { collation = SqlCollation.COERCIBLE; } RelDataType type = typeFactory.createSqlType( SqlTypeName.CHAR, str.getValue().length()); type = typeFactory.createTypeWithCharsetAndCollation( type, charset, collation); return type; }
Example 2
Source File: SqlUtil.java From calcite with Apache License 2.0 | 6 votes |
/** * Creates the type of an {@link org.apache.calcite.util.NlsString}. * * <p>The type inherits the The NlsString's {@link Charset} and * {@link SqlCollation}, if they are set, otherwise it gets the system * defaults. * * @param typeFactory Type factory * @param str String * @return Type, including collation and charset */ public static RelDataType createNlsStringType( RelDataTypeFactory typeFactory, NlsString str) { Charset charset = str.getCharset(); if (null == charset) { charset = typeFactory.getDefaultCharset(); } SqlCollation collation = str.getCollation(); if (null == collation) { collation = SqlCollation.COERCIBLE; } RelDataType type = typeFactory.createSqlType( SqlTypeName.CHAR, str.getValue().length()); type = typeFactory.createTypeWithCharsetAndCollation( type, charset, collation); return type; }
Example 3
Source File: SqlLiteralChainOperator.java From Bats with Apache License 2.0 | 4 votes |
public void unparse( SqlWriter writer, SqlCall call, int leftPrec, int rightPrec) { final SqlWriter.Frame frame = writer.startList("", ""); SqlCollation collation = null; for (Ord<SqlNode> operand : Ord.zip(call.getOperandList())) { SqlLiteral rand = (SqlLiteral) operand.e; if (operand.i > 0) { // SQL:2003 says there must be a newline between string // fragments. writer.newlineAndIndent(); } if (rand instanceof SqlCharStringLiteral) { NlsString nls = ((SqlCharStringLiteral) rand).getNlsString(); if (operand.i == 0) { collation = nls.getCollation(); // print with prefix writer.literal(nls.asSql(true, false)); } else { // print without prefix writer.literal(nls.asSql(false, false)); } } else if (operand.i == 0) { // print with prefix rand.unparse(writer, leftPrec, rightPrec); } else { // print without prefix if (rand.getTypeName() == SqlTypeName.BINARY) { BitString bs = (BitString) rand.getValue(); writer.literal("'" + bs.toHexString() + "'"); } else { writer.literal("'" + rand.toValue() + "'"); } } } if (collation != null) { collation.unparse(writer, 0, 0); } writer.endList(frame); }
Example 4
Source File: SqlLiteralChainOperator.java From calcite with Apache License 2.0 | 4 votes |
public void unparse( SqlWriter writer, SqlCall call, int leftPrec, int rightPrec) { final SqlWriter.Frame frame = writer.startList("", ""); SqlCollation collation = null; for (Ord<SqlNode> operand : Ord.zip(call.getOperandList())) { SqlLiteral rand = (SqlLiteral) operand.e; if (operand.i > 0) { // SQL:2003 says there must be a newline between string // fragments. writer.newlineAndIndent(); } if (rand instanceof SqlCharStringLiteral) { NlsString nls = ((SqlCharStringLiteral) rand).getNlsString(); if (operand.i == 0) { collation = nls.getCollation(); // print with prefix writer.literal(nls.asSql(true, false, writer.getDialect())); } else { // print without prefix writer.literal(nls.asSql(false, false, writer.getDialect())); } } else if (operand.i == 0) { // print with prefix rand.unparse(writer, leftPrec, rightPrec); } else { // print without prefix if (rand.getTypeName() == SqlTypeName.BINARY) { BitString bs = (BitString) rand.getValue(); writer.literal("'" + bs.toHexString() + "'"); } else { writer.literal("'" + rand.toValue() + "'"); } } } if (collation != null) { collation.unparse(writer); } writer.endList(frame); }