Uses of Class
org.aksw.sparqlify.algebra.sql.nodes.SqlOpEmpty

Packages that use SqlOpEmpty

Package	Description
org.aksw.sparqlify.algebra.sql.nodes
org.aksw.sparqlify.core.algorithms

Uses of SqlOpEmpty in org.aksw.sparqlify.algebra.sql.nodes

Methods in org.aksw.sparqlify.algebra.sql.nodes that return SqlOpEmpty

Modifier and Type	Method and Description
static SqlOpEmpty	SqlOpEmpty.create()
static SqlOpEmpty	SqlOpEmpty.create(Schema schema)
static SqlOpEmpty	SqlOpEmpty.create(Schema schema, String aliasName)
static SqlOpEmpty	SqlOpEmpty.create(String columnName) Create an empty mapping with an named, null valued, integer column

Uses of SqlOpEmpty in org.aksw.sparqlify.core.algorithms

Methods in org.aksw.sparqlify.core.algorithms that return SqlOpEmpty

Modifier and Type	Method and Description
static SqlOpEmpty	SqlOpSelectBlockCollectorImpl.makeSelectOrTable(SqlOpEmpty node, Set<String> refs)

Methods in org.aksw.sparqlify.core.algorithms with parameters of type SqlOpEmpty

Modifier and Type	Method and Description
void	SqlOpSerializerImpl._serialize(SqlOpEmpty node, org.apache.jena.atlas.io.IndentedWriter writer)
void	SqlOpSerializerImpl._serializeOld(SqlOpEmpty node, org.apache.jena.atlas.io.IndentedWriter writer)
static org.aksw.sparqlify.core.algorithms.JoinContext	SqlOpSelectBlockCollectorImpl.collectJoins(SqlOpEmpty op, Set<String> refs)
static SqlOp	SqlOpSelectBlockCollectorImpl.makeSelect(SqlOpEmpty op, Set<String> refs) Create a dummy select query: SELECT NULL WHERE FALSE; If above is not cross db safe, we could change to: SELECT NULL c FROM (SELECT NULL) t WHERE FALSE;
static SqlOp	SqlOpSelectBlockCollectorOps.makeSelectOrTable(SqlOpEmpty sqlOp)
static SqlOpEmpty	SqlOpSelectBlockCollectorImpl.makeSelectOrTable(SqlOpEmpty node, Set<String> refs)