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CallParameterMetaData detects function return parameter specifically 

Closes gh-25588
This commit is contained in:
Juergen Hoeller 2020-09-07 17:51:23 +02:00
parent 613b05d814
commit e797398b10
2 changed files with 43 additions and 19 deletions
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60
spring-jdbc/src/main/java/org/springframework/jdbc/core/metadata/CallParameterMetaData.java
View File

@ -1,5 +1,5 @@
/* /*
* Copyright 2002-2018 the original author or authors. * Copyright 2002-2020 the original author or authors.
* *
* Licensed under the Apache License, Version 2.0 (the "License"); * Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License. * you may not use this file except in compliance with the License.
@ -30,25 +30,39 @@ import org.springframework.lang.Nullable;
*/ */
public class CallParameterMetaData { public class CallParameterMetaData {
@Nullable private final boolean function;
private String parameterName;
private int parameterType;
private int sqlType;
@Nullable @Nullable
private String typeName; private final String parameterName;
private boolean nullable; private final int parameterType;
private final int sqlType;
@Nullable
private final String typeName;
private final boolean nullable;
/** /**
* Constructor taking all the properties. * Constructor taking all the properties except the function marker.
*/ */
@Deprecated
public CallParameterMetaData( public CallParameterMetaData(
@Nullable String columnName, int columnType, int sqlType, @Nullable String typeName, boolean nullable) { @Nullable String columnName, int columnType, int sqlType, @Nullable String typeName, boolean nullable) {
this(false, columnName, columnType, sqlType, typeName, nullable);
}
/**
* Constructor taking all the properties including the function marker.
* @since 5.2.9
*/
public CallParameterMetaData(boolean function, @Nullable String columnName, int columnType,
int sqlType, @Nullable String typeName, boolean nullable) {
this.function = function;
this.parameterName = columnName; this.parameterName = columnName;
this.parameterType = columnType; this.parameterType = columnType;
this.sqlType = sqlType; this.sqlType = sqlType;
@ -58,7 +72,15 @@ public class CallParameterMetaData {
/** /**
* Get the parameter name. * Return whether this parameter is declared in a function.
* @since 5.2.9
*/
public boolean isFunction() {
return this.function;
}
/**
* Return the parameter name.
*/ */
@Nullable @Nullable
public String getParameterName() { public String getParameterName() {
@ -66,7 +88,7 @@ public class CallParameterMetaData {
} }
/** /**
* Get the parameter type. * Return the parameter type.
*/ */
public int getParameterType() { public int getParameterType() {
return this.parameterType; return this.parameterType;
@ -75,23 +97,25 @@ public class CallParameterMetaData {
/** /**
* Determine whether the declared parameter qualifies as a 'return' parameter * Determine whether the declared parameter qualifies as a 'return' parameter
* for our purposes: type {@link DatabaseMetaData#procedureColumnReturn} or * for our purposes: type {@link DatabaseMetaData#procedureColumnReturn} or
* {@link DatabaseMetaData#procedureColumnResult}. * {@link DatabaseMetaData#procedureColumnResult}, or in case of a function,
* {@link DatabaseMetaData#functionReturn}.
* @since 4.3.15 * @since 4.3.15
*/ */
public boolean isReturnParameter() { public boolean isReturnParameter() {
return (this.parameterType == DatabaseMetaData.procedureColumnReturn || return (this.function ? this.parameterType == DatabaseMetaData.functionReturn :
this.parameterType == DatabaseMetaData.procedureColumnResult); (this.parameterType == DatabaseMetaData.procedureColumnReturn ||
this.parameterType == DatabaseMetaData.procedureColumnResult));
} }
/** /**
* Get the parameter SQL type. * Return the parameter SQL type.
*/ */
public int getSqlType() { public int getSqlType() {
return this.sqlType; return this.sqlType;
} }
/** /**
* Get the parameter type name. * Return the parameter type name.
*/ */
@Nullable @Nullable
public String getTypeName() { public String getTypeName() {
@ -99,7 +123,7 @@ public class CallParameterMetaData {
} }
/** /**
* Get whether the parameter is nullable. * Return whether the parameter is nullable.
*/ */
public boolean isNullable() { public boolean isNullable() {
return this.nullable; return this.nullable;

2
spring-jdbc/src/main/java/org/springframework/jdbc/core/metadata/GenericCallMetaDataProvider.java
View File

@ -399,7 +399,7 @@ public class GenericCallMetaDataProvider implements CallMetaDataProvider {
} }
else { else {
int nullable = (function ? DatabaseMetaData.functionNullable : DatabaseMetaData.procedureNullable); int nullable = (function ? DatabaseMetaData.functionNullable : DatabaseMetaData.procedureNullable);
CallParameterMetaData meta = new CallParameterMetaData(columnName, columnType, CallParameterMetaData meta = new CallParameterMetaData(function, columnName, columnType,
columns.getInt("DATA_TYPE"), columns.getString("TYPE_NAME"), columns.getInt("DATA_TYPE"), columns.getString("TYPE_NAME"),
columns.getInt("NULLABLE") == nullable); columns.getInt("NULLABLE") == nullable);
this.callParameterMetaData.add(meta); this.callParameterMetaData.add(meta);