@@ -59,6 +59,9 @@ public TableFieldSchema apply(Field field) {
private final String mode ;
private final String description ;
private final PolicyTags policyTags ;
private final Long maxLength ;
private final Long scale ;
private final Long precision ;
/**
* Mode for a BigQuery Table field. {@link Mode#NULLABLE} fields can be set to {@code null},
@@ -79,6 +82,9 @@ public static final class Builder {
private String mode ;
private String description ;
private PolicyTags policyTags ;
private Long maxLength ;
private Long scale ;
private Long precision ;
private Builder () {}
@@ -89,6 +95,9 @@ private Builder(Field field) {
this .mode = field .mode ;
this .description = field .description ;
this .policyTags = field .policyTags ;
this .maxLength = field .maxLength ;
this .scale = field .scale ;
this .precision = field .precision ;
}
/**
@@ -199,6 +208,43 @@ public Builder setPolicyTags(PolicyTags policyTags) {
return this ;
}
/**
* Sets the maximum length of the field for STRING or BYTES type.
*
* <p>It is invalid to set value for types other than STRING or BYTES.
*
* <p>For STRING type, this represents the maximum UTF-8 length of strings allowed in the field.
* For BYTES type, this represents the maximum number of bytes in the field.
*/
public Builder setMaxLength (Long maxLength ) {
this .maxLength = maxLength ;
return this ;
}
/**
* Scale can be used to constrain the maximum number of digits in the fractional part of a
* NUMERIC or BIGNUMERIC type. If the Scale value is set, the Precision value must be set as
* well. It is invalid to set values for Scale for types other than NUMERIC or BIGNUMERIC. See
* the Precision field for additional guidance about valid values.
*/
public Builder setScale (Long scale ) {
this .scale = scale ;
return this ;
}
/**
* Precision can be used to constrain the maximum number of total digits allowed for NUMERIC or
* BIGNUMERIC types. It is invalid to set values for Precision for types other than // NUMERIC
* or BIGNUMERIC. For NUMERIC type, acceptable values for Precision must be: 1 ≤ (Precision -
* Scale) ≤ 29. Values for Scale must be: 0 ≤ Scale ≤ 9. For BIGNUMERIC type, acceptable values
* for Precision must be: 1 ≤ (Precision - Scale) ≤ 38. Values for Scale must be: 0 ≤ Scale ≤
* 38.
*/
public Builder setPrecision (Long precision ) {
this .precision = precision ;
return this ;
}
/** Creates a {@code Field} object. */
public Field build () {
return new Field (this );
@@ -212,6 +258,9 @@ private Field(Builder builder) {
this .mode = builder .mode ;
this .description = builder .description ;
this .policyTags = builder .policyTags ;
this .maxLength = builder .maxLength ;
this .scale = builder .scale ;
this .precision = builder .precision ;
}
/** Returns the field name. */
@@ -244,6 +293,24 @@ public PolicyTags getPolicyTags() {
return policyTags ;
}
/** Returns the maximum length of the field for STRING or BYTES type. */
public Long getMaxLength () {
return maxLength ;
}
/**
* Returns the maximum number of digits set in the fractional part of a NUMERIC or BIGNUMERIC
* type.
*/
public Long getScale () {
return scale ;
}
/** Returns the maximum number of total digits allowed for NUMERIC or BIGNUMERIC types. */
public Long getPrecision () {
return precision ;
}
/**
* Returns the list of sub-fields if {@link #getType()} is a {@link LegacySQLTypeName#RECORD}.
* Returns {@code null} otherwise.
@@ -265,6 +332,9 @@ public String toString() {
.add ("mode" , mode )
.add ("description" , description )
.add ("policyTags" , policyTags )
.add ("maxLength" , maxLength )
.add ("scale" , scale )
.add ("precision" , precision )
.toString ();
}
@@ -335,6 +405,15 @@ TableFieldSchema toPb() {
if (policyTags != null ) {
fieldSchemaPb .setPolicyTags (policyTags .toPb ());
}
if (maxLength != null ) {
fieldSchemaPb .setMaxLength (maxLength );
}
if (scale != null ) {
fieldSchemaPb .setScale (scale );
}
if (precision != null ) {
fieldSchemaPb .setPrecision (precision );
}
if (getSubFields () != null ) {
List <TableFieldSchema > fieldsPb = Lists .transform (getSubFields (), TO_PB_FUNCTION );
fieldSchemaPb .setFields (fieldsPb );
@@ -354,6 +433,15 @@ static Field fromPb(TableFieldSchema fieldSchemaPb) {
if (fieldSchemaPb .getPolicyTags () != null ) {
fieldBuilder .setPolicyTags (PolicyTags .fromPb (fieldSchemaPb .getPolicyTags ()));
}
if (fieldSchemaPb .getMaxLength () != null ) {
fieldBuilder .setMaxLength (fieldSchemaPb .getMaxLength ());
}
if (fieldSchemaPb .getScale () != null ) {
fieldBuilder .setScale (fieldSchemaPb .getScale ());
}
if (fieldSchemaPb .getPrecision () != null ) {
fieldBuilder .setPrecision (fieldSchemaPb .getPrecision ());
}
FieldList subFields =
fieldSchemaPb .getFields () != null
? FieldList .of (Lists .transform (fieldSchemaPb .getFields (), FROM_PB_FUNCTION ))
