sqlosure.relational-algebra — de.active-group/sqlosure 0.4.0

Implementation of relational algebra based on Mike Sperbers relational-algebra.scm.

->aggregation clj

(->aggregation op expr)

Positional factory function for class sqlosure.relational_algebra.aggregation.

->aggregation-all clj

(->aggregation-all op)

Positional factory function for class sqlosure.relational_algebra.aggregation-all.

->application clj

(->application rator rands)

Positional factory function for class sqlosure.relational_algebra.application.

->attribute-ref clj

(->attribute-ref name)

Positional factory function for class sqlosure.relational_algebra.attribute-ref.

->base-relation clj

(->base-relation name scheme handle)

Positional factory function for class sqlosure.relational_algebra.base-relation.

->case-expr clj

(->case-expr alist default)

Positional factory function for class sqlosure.relational_algebra.case-expr.

->combine clj

(->combine rel-op query-1 query-2)

Positional factory function for class sqlosure.relational_algebra.combine.

->const clj

(->const type val)

Positional factory function for class sqlosure.relational_algebra.const.

->empty-query clj

(->empty-query)

Positional factory function for class sqlosure.relational_algebra.empty-query.

->group clj

(->group columns query)

Positional factory function for class sqlosure.relational_algebra.group.

->null clj

(->null type)

Positional factory function for class sqlosure.relational_algebra.null.

->order clj

(->order alist query)

Positional factory function for class sqlosure.relational_algebra.order.

->project clj

(->project alist query)

Positional factory function for class sqlosure.relational_algebra.project.

->rator clj

(->rator name range-type-proc proc data)

Positional factory function for class sqlosure.relational_algebra.rator.

->rel-scheme clj

(->rel-scheme columns map grouped)

Positional factory function for class sqlosure.relational_algebra.rel-scheme.

->restrict clj

(->restrict exp query)

Positional factory function for class sqlosure.relational_algebra.restrict.

->restrict-outer clj

(->restrict-outer exp query)

Positional factory function for class sqlosure.relational_algebra.restrict-outer.

->scalar-subquery clj

(->scalar-subquery query)

Positional factory function for class sqlosure.relational_algebra.scalar-subquery.

->set-subquery clj

(->set-subquery query)

Positional factory function for class sqlosure.relational_algebra.set-subquery.

->top clj

(->top offset count query)

Positional factory function for class sqlosure.relational_algebra.top.

->tuple clj

(->tuple expressions)

Positional factory function for class sqlosure.relational_algebra.tuple.

aggregate? clj

(aggregate? expr)

Returns true if expr is or contains an aggregation.

aggregation-all-operator clj

(aggregation-all-operator rec__2313__auto__)

(aggregation-all-operator data__2314__auto__ v__2315__auto__)

Lens for the op field from a [[aggregation-all]] record. See sqlosure.relational-algebra/really-make-aggregation-all.

aggregation-all? clj

(aggregation-all? thing)

Is object a aggregation-all record? See sqlosure.relational-algebra/really-make-aggregation-all.

aggregation-expr clj

(aggregation-expr rec__2313__auto__)

(aggregation-expr data__2314__auto__ v__2315__auto__)

Lens for the expr field from a [[aggregation]] record. See sqlosure.relational-algebra/really-make-aggregation.

aggregation-operator clj

(aggregation-operator rec__2313__auto__)

(aggregation-operator data__2314__auto__ v__2315__auto__)

Lens for the op field from a [[aggregation]] record. See sqlosure.relational-algebra/really-make-aggregation.

aggregation? clj

(aggregation? thing)

Is object a aggregation record? See sqlosure.relational-algebra/really-make-aggregation.

aggregations-op? clj

(aggregations-op? k)

Is a thing an aggregation operation?

alist->rel-scheme clj

(alist->rel-scheme alist)

Construct a relational scheme from an alist of [column-name type].

application-rands clj

(application-rands rec__2313__auto__)

(application-rands data__2314__auto__ v__2315__auto__)

Lens for the rands field from a [[application]] record. See sqlosure.relational-algebra/really-make-application.

application-rator clj

(application-rator rec__2313__auto__)

(application-rator data__2314__auto__ v__2315__auto__)

Lens for the rator field from a [[application]] record. See sqlosure.relational-algebra/really-make-application.

application? clj

(application? thing)

Is object a application record? See sqlosure.relational-algebra/really-make-application.

attach-rel-scheme-cache clj

(attach-rel-scheme-cache query fun)

Attach a rel-scheme cache to query.

• query is the query
• fun is a function accepting an environment, yielding the scheme of the query

attribute-ref-name clj

(attribute-ref-name rec__2313__auto__)

(attribute-ref-name data__2314__auto__ v__2315__auto__)

Lens for the name field from a [[attribute-ref]] record. See sqlosure.relational-algebra/make-attribute-ref.

attribute-ref? clj

(attribute-ref? thing)

Is object a attribute-ref record? See sqlosure.relational-algebra/make-attribute-ref.

base-relation-handle clj

(base-relation-handle rec__2313__auto__)

(base-relation-handle data__2314__auto__ v__2315__auto__)

Lens for the handle field from a [[base-relation]] record. See sqlosure.relational-algebra/really-make-base-relation.

base-relation-name clj

(base-relation-name rec__2313__auto__)

(base-relation-name data__2314__auto__ v__2315__auto__)

Lens for the name field from a [[base-relation]] record. See sqlosure.relational-algebra/really-make-base-relation.

base-relation-scheme clj

(base-relation-scheme rec__2313__auto__)

(base-relation-scheme data__2314__auto__ v__2315__auto__)

Lens for the scheme field from a [[base-relation]] record. See sqlosure.relational-algebra/really-make-base-relation.

base-relation? clj

(base-relation? thing)

Is object a base-relation record? See sqlosure.relational-algebra/really-make-base-relation.

case-expr-alist clj

(case-expr-alist rec__2313__auto__)

(case-expr-alist data__2314__auto__ v__2315__auto__)

Lens for the alist field from a [[case-expr]] record. See sqlosure.relational-algebra/make-case-expr.

case-expr-default clj

(case-expr-default rec__2313__auto__)

(case-expr-default data__2314__auto__ v__2315__auto__)

Lens for the default field from a [[case-expr]] record. See sqlosure.relational-algebra/make-case-expr.

case-expr? clj

(case-expr? thing)

Is object a case-expr record? See sqlosure.relational-algebra/make-case-expr.

combine-query-1 clj

(combine-query-1 rec__2313__auto__)

(combine-query-1 data__2314__auto__ v__2315__auto__)

Lens for the query-1 field from a [[combine]] record. See sqlosure.relational-algebra/really-make-combine.

combine-query-2 clj

(combine-query-2 rec__2313__auto__)

(combine-query-2 data__2314__auto__ v__2315__auto__)

Lens for the query-2 field from a [[combine]] record. See sqlosure.relational-algebra/really-make-combine.

combine-rel-op clj

(combine-rel-op rec__2313__auto__)

(combine-rel-op data__2314__auto__ v__2315__auto__)

Lens for the rel-op field from a [[combine]] record. See sqlosure.relational-algebra/really-make-combine.

combine? clj

(combine? thing)

Is object a combine record? See sqlosure.relational-algebra/really-make-combine.

compose-environments clj

(compose-environments e1 e2)

Combine two environments. e1 takes precedence over e2.

const-null? clj

(const-null? thing)

Is object a null record? See sqlosure.relational-algebra/make-null.

const-type clj

(const-type rec__2313__auto__)

(const-type data__2314__auto__ v__2315__auto__)

Lens for the type field from a [[const]] record. See sqlosure.relational-algebra/make-const.

const-val clj

(const-val rec__2313__auto__)

(const-val data__2314__auto__ v__2315__auto__)

Lens for the val field from a [[const]] record. See sqlosure.relational-algebra/make-const.

const? clj

(const? thing)

Is object a const record? See sqlosure.relational-algebra/make-const.

count-aggregations clj

(count-aggregations e)

Count all aggregations in an expression.

cull-substitution-alist clj

(cull-substitution-alist alist underlying)

Takes an map and a 'underlying' query and returns a map of substitutions not already featured in underlying.

distinct-q-query clj

(distinct-q-query rec__2313__auto__)

(distinct-q-query data__2314__auto__ v__2315__auto__)

Lens for the query field from a DistinctQ record. See sqlosure.relational-algebra/really-make-distinct-q.

distinct-q? clj

(distinct-q? thing)

Is object a DistinctQ record? See sqlosure.relational-algebra/really-make-distinct-q.

DistinctQ clj

empty-query? clj

(empty-query? thing)

Is object a empty-query record? See sqlosure.relational-algebra/make-empty-query.

ensure-aggregations-op! clj

(ensure-aggregations-op! k f)

Takes a k and runs function f if k is an aggregations-op?. Otherwise, throws an assertion violation.

expression-attribute-names clj

(expression-attribute-names expr)

Takes an expression and returns a set of all attribute-ref's names.

expression-type clj

(expression-type env expr)

expression-type takes an environment map and an expression and tries to find the expressions type (either based on expr itself or on the mappings of the env).

fold-expression clj

(fold-expression on-attribute-ref
                 on-const
                 on-null
                 on-application
                 on-tuple
                 on-aggregation
                 on-aggregation-all
                 on-case
                 on-scalar-subquery
                 on-set-subquery
                 expr)

group-columns clj

(group-columns rec__2313__auto__)

(group-columns data__2314__auto__ v__2315__auto__)

Lens for the columns field (set of columns to group by) from a [[group]] record. See sqlosure.relational-algebra/really-make-group.

group-query clj

(group-query rec__2313__auto__)

(group-query data__2314__auto__ v__2315__auto__)

Lens for the query field (underlying query) from a [[group]] record. See sqlosure.relational-algebra/really-make-group.

group? clj

(group? thing)

Is object a group record? See sqlosure.relational-algebra/really-make-group.

lookup-env clj

(lookup-env name env)

Lookup a name in an environment.

make-aggregation clj

(make-aggregation op)

(make-aggregation op expr)

Returns an aggregation. If supplied with only the op, returns aggregation that operates on the whole query. If supplied with an expression, returns aggregation that operates on the result of this expression only.

make-application clj

(make-application rator & rands)

make-attribute-ref clj

(make-attribute-ref name)

Construct a attribute-ref record.

name: access via sqlosure.relational-algebra/attribute-ref-name

make-base-relation clj

(make-base-relation name
                    scheme
                    &
                    {:keys [universe handle] :or {universe nil handle nil}})

Returns a new base relation. If :handle is supplied, use is as base-relation-handle, defaults to nil. If :universe is supplied, return a vector of [relation universe]

make-case-expr clj

(make-case-expr alist default)

Construct a case-expr record.

alist: access via sqlosure.relational-algebra/case-expr-alist default: access via sqlosure.relational-algebra/case-expr-default

make-combine clj

(make-combine rel-op query-1 query-2)

make-const clj

(make-const type val)

Construct a const record.

type: access via sqlosure.relational-algebra/const-type val: access via sqlosure.relational-algebra/const-val

make-difference clj

(make-difference query-1 query-2)

make-distinct clj

(make-distinct query)

make-empty-query clj

(make-empty-query)

Construct a empty-query record.

make-extend clj

(make-extend alist query)

Creates a projection of some attributes while keeping all other attributes in the relation visible too.

make-group clj

(make-group columns query)

Make a grouped query from a basic query.

• columns is a seq of columns to be grouped by
• query is the underlying query

make-intersection clj

(make-intersection query-1 query-2)

make-left-outer-product clj

(make-left-outer-product query-1 query-2)

make-monomorphic-combinator clj

(make-monomorphic-combinator name domains range proc & {:keys [universe data]})

make-monomorphic-rator clj

(make-monomorphic-rator name
                        domain-types
                        range-type
                        proc
                        &
                        {:keys [universe data]})

make-null clj

(make-null type)

Construct a null record.

type: access via sqlosure.relational-algebra/null-type

make-order clj

(make-order alist query)

make-product clj

(make-product query-1 query-2)

make-project clj

(make-project alist query)

make-quotient clj

(make-quotient query-1 query-2)

make-rator clj

(make-rator name range-type-proc proc & {:keys [universe data]})

make-rel-scheme clj

(make-rel-scheme columns map grouped)

make-rel-scheme-cache clj

(make-rel-scheme-cache fun)

Make a rel-scheme cache.

• fun is a function accepting an environment, producing the scheme

make-restrict clj

(make-restrict exp query)

Create a restriction:

• exp is a boolean expression, acting as a filter
• query is the underlying query

make-restrict-outer clj

(make-restrict-outer exp query)

Restrict a right-hand side of a left-outer product.

make-scalar-subquery clj

(make-scalar-subquery query)

Construct a scalar-subquery record.

query: access via sqlosure.relational-algebra/scalar-subquery-query

make-set-subquery clj

(make-set-subquery query)

Construct a set-subquery record.

query: access via sqlosure.relational-algebra/set-subquery-query

make-top clj

(make-top offset count query)

The top count entries, optionally starting at offset, defaulting to 0.

make-tuple clj

(make-tuple expressions)

Construct a tuple record.

expressions: access via sqlosure.relational-algebra/tuple-expressions

make-union clj

(make-union query-1 query-2)

map->aggregation clj

(map->aggregation m__2330__auto__)

Factory function for class sqlosure.relational_algebra.aggregation, taking a map of keywords to field values.

map->aggregation-all clj

(map->aggregation-all m__2330__auto__)

Factory function for class sqlosure.relational_algebra.aggregation-all, taking a map of keywords to field values.

map->application clj

(map->application m__2330__auto__)

Factory function for class sqlosure.relational_algebra.application, taking a map of keywords to field values.

map->attribute-ref clj

(map->attribute-ref m__2330__auto__)

Factory function for class sqlosure.relational_algebra.attribute-ref, taking a map of keywords to field values.

map->base-relation clj

(map->base-relation m__2330__auto__)

Factory function for class sqlosure.relational_algebra.base-relation, taking a map of keywords to field values.

map->case-expr clj

(map->case-expr m__2330__auto__)

Factory function for class sqlosure.relational_algebra.case-expr, taking a map of keywords to field values.

map->combine clj

(map->combine m__2330__auto__)

Factory function for class sqlosure.relational_algebra.combine, taking a map of keywords to field values.

map->const clj

(map->const m__2330__auto__)

Factory function for class sqlosure.relational_algebra.const, taking a map of keywords to field values.

map->empty-query clj

(map->empty-query m__2330__auto__)

Factory function for class sqlosure.relational_algebra.empty-query, taking a map of keywords to field values.

map->group clj

(map->group m__2330__auto__)

Factory function for class sqlosure.relational_algebra.group, taking a map of keywords to field values.

map->null clj

(map->null m__2330__auto__)

Factory function for class sqlosure.relational_algebra.null, taking a map of keywords to field values.

map->order clj

(map->order m__2330__auto__)

Factory function for class sqlosure.relational_algebra.order, taking a map of keywords to field values.

map->project clj

(map->project m__2330__auto__)

Factory function for class sqlosure.relational_algebra.project, taking a map of keywords to field values.

map->rator clj

(map->rator m__2330__auto__)

Factory function for class sqlosure.relational_algebra.rator, taking a map of keywords to field values.

map->rel-scheme clj

(map->rel-scheme m__2330__auto__)

Factory function for class sqlosure.relational_algebra.rel-scheme, taking a map of keywords to field values.

map->restrict clj

(map->restrict m__2330__auto__)

Factory function for class sqlosure.relational_algebra.restrict, taking a map of keywords to field values.

map->restrict-outer clj

(map->restrict-outer m__2330__auto__)

Factory function for class sqlosure.relational_algebra.restrict-outer, taking a map of keywords to field values.

map->scalar-subquery clj

(map->scalar-subquery m__2330__auto__)

Factory function for class sqlosure.relational_algebra.scalar-subquery, taking a map of keywords to field values.

map->set-subquery clj

(map->set-subquery m__2330__auto__)

Factory function for class sqlosure.relational_algebra.set-subquery, taking a map of keywords to field values.

map->top clj

(map->top m__2330__auto__)

Factory function for class sqlosure.relational_algebra.top, taking a map of keywords to field values.

map->tuple clj

(map->tuple m__2330__auto__)

Factory function for class sqlosure.relational_algebra.tuple, taking a map of keywords to field values.

null-lift-binary-predicate clj

(null-lift-binary-predicate pred)

Helper for defining rators. Takes a predicate and returns a function that takes two values to apply this predicate to.

null-type clj

(null-type rec__2313__auto__)

(null-type data__2314__auto__ v__2315__auto__)

Lens for the type field from a [[null]] record. See sqlosure.relational-algebra/make-null.

order-alist clj

(order-alist rec__2313__auto__)

(order-alist data__2314__auto__ v__2315__auto__)

Lens for the alist field from a [[order]] record. See sqlosure.relational-algebra/really-make-order.

order-op? clj

(order-op? k)

order-query clj

(order-query rec__2313__auto__)

(order-query data__2314__auto__ v__2315__auto__)

Lens for the query field from a [[order]] record. See sqlosure.relational-algebra/really-make-order.

order? clj

(order? thing)

Is object a order record? See sqlosure.relational-algebra/really-make-order.

project-aggregate? clj

(project-aggregate? pr)

Test whether a project contains aggregate right-hand sides.

project-alist clj

(project-alist rec__2313__auto__)

(project-alist data__2314__auto__ v__2315__auto__)

Lens for the alist field (Maps newly bound attribute names to expressions.) from a [[project]] record. See sqlosure.relational-algebra/really-really-make-project.

project-alist-aggregate? clj

(project-alist-aggregate? alist)

Test whether a project alist contains aggregate right-hand sides.

project-query clj

(project-query rec__2313__auto__)

(project-query data__2314__auto__ v__2315__auto__)

Lens for the query field from a [[project]] record. See sqlosure.relational-algebra/really-really-make-project.

project? clj

(project? thing)

Is object a project record? See sqlosure.relational-algebra/really-really-make-project.

query-attribute-names clj

(query-attribute-names q)

Assuming this is a sub-query of an expression, determine what attribute names of the underlying query it uses.

query-scheme clj

(query-scheme q)

(query-scheme q env)

Return the query scheme of query q as a rel-scheme.

query-scheme-attribute-names clj

(query-scheme-attribute-names q)

query-scheme-fail clj

(query-scheme-fail expected thing)

query-substitute-attribute-refs clj

(query-substitute-attribute-refs alist q)

query? clj

(query? obj)

Returns true if the obj is a query.

rator-data clj

(rator-data rec__2313__auto__)

(rator-data data__2314__auto__ v__2315__auto__)

Lens for the data field from a [[rator]] record. See sqlosure.relational-algebra/really-make-rator.

rator-name clj

(rator-name rec__2313__auto__)

(rator-name data__2314__auto__ v__2315__auto__)

Lens for the name field from a [[rator]] record. See sqlosure.relational-algebra/really-make-rator.

rator-proc clj

(rator-proc rec__2313__auto__)

(rator-proc data__2314__auto__ v__2315__auto__)

Lens for the proc field from a [[rator]] record. See sqlosure.relational-algebra/really-make-rator.

rator-range-type-proc clj

(rator-range-type-proc rec__2313__auto__)

(rator-range-type-proc data__2314__auto__ v__2315__auto__)

Lens for the range-type-proc field from a [[rator]] record. See sqlosure.relational-algebra/really-make-rator.

rator? clj

(rator? thing)

Is object a rator record? See sqlosure.relational-algebra/really-make-rator.

really-make-aggregation clj

(really-make-aggregation op expr)

Construct a aggregation record.

op: access via sqlosure.relational-algebra/aggregation-operator expr: access via sqlosure.relational-algebra/aggregation-expr

really-make-aggregation-all clj

(really-make-aggregation-all op)

Construct a aggregation-all record.

op: access via sqlosure.relational-algebra/aggregation-all-operator

really-make-application clj

(really-make-application rator rands)

Construct a application record.

rator: access via sqlosure.relational-algebra/application-rator rands: access via sqlosure.relational-algebra/application-rands

really-make-base-relation clj

(really-make-base-relation name scheme handle)

Construct a base-relation record.

name: access via sqlosure.relational-algebra/base-relation-name scheme: access via sqlosure.relational-algebra/base-relation-scheme handle: access via sqlosure.relational-algebra/base-relation-handle

really-make-combine clj

(really-make-combine rel-op query-1 query-2)

Construct a combine record.

rel-op: access via sqlosure.relational-algebra/combine-rel-op query-1: access via sqlosure.relational-algebra/combine-query-1 query-2: access via sqlosure.relational-algebra/combine-query-2

really-make-distinct-q clj

(really-make-distinct-q query)

Construct a DistinctQ record.

query: access via sqlosure.relational-algebra/distinct-q-query

really-make-group clj

(really-make-group columns query)

Construct a group record.

columns (set of columns to group by): access via sqlosure.relational-algebra/group-columns query (underlying query): access via sqlosure.relational-algebra/group-query

really-make-order clj

(really-make-order alist query)

Construct a order record.

alist: access via sqlosure.relational-algebra/order-alist query: access via sqlosure.relational-algebra/order-query

really-make-project clj

(really-make-project alist query)

really-make-rator clj

(really-make-rator name range-type-proc proc data)

Construct a rator record.

name: access via sqlosure.relational-algebra/rator-name range-type-proc: access via sqlosure.relational-algebra/rator-range-type-proc proc: access via sqlosure.relational-algebra/rator-proc data: access via sqlosure.relational-algebra/rator-data

really-make-rel-scheme-cache clj

(really-make-rel-scheme-cache fun map-atom)

Construct a RelSchemeCache (Cache for the relational scheme of a query.) record.

fun (Function accepting an environment, producing a rel scheme.): access via sqlosure.relational-algebra/rel-scheme-cache-fun map-atom (Atom containing map environment |-> scheme): access via sqlosure.relational-algebra/rel-scheme-cache-map-atom

really-make-restrict clj

(really-make-restrict exp query)

Construct a restrict record.

exp: access via sqlosure.relational-algebra/restrict-exp query: access via sqlosure.relational-algebra/restrict-query

really-make-restrict-outer clj

(really-make-restrict-outer exp query)

Construct a restrict-outer (Restrict a left outer product. This will restrict all the right-hand sides of left outer products. If it doesn't hold, these right-hand sides will have all-null columns.) record.

exp: access via sqlosure.relational-algebra/restrict-outer-exp query: access via sqlosure.relational-algebra/restrict-outer-query

really-make-top clj

(really-make-top offset count query)

Construct a top record.

offset: access via sqlosure.relational-algebra/top-offset count: access via sqlosure.relational-algebra/top-count query: access via sqlosure.relational-algebra/top-query

really-really-make-project clj

(really-really-make-project alist query)

Construct a project record.

alist (Maps newly bound attribute names to expressions.): access via sqlosure.relational-algebra/project-alist query: access via sqlosure.relational-algebra/project-query

rel-scheme->environment clj

(rel-scheme->environment s)

Returns the relation table of a rel-scheme.

rel-scheme-cache-fun clj

(rel-scheme-cache-fun rec__2313__auto__)

(rel-scheme-cache-fun data__2314__auto__ v__2315__auto__)

Lens for the fun field (Function accepting an environment, producing a rel scheme.) from a RelSchemeCache record. See sqlosure.relational-algebra/really-make-rel-scheme-cache.

rel-scheme-cache-map-atom clj

(rel-scheme-cache-map-atom rec__2313__auto__)

(rel-scheme-cache-map-atom data__2314__auto__ v__2315__auto__)

Lens for the map-atom field (Atom containing map environment |-> scheme) from a RelSchemeCache record. See sqlosure.relational-algebra/really-make-rel-scheme-cache.

rel-scheme-cache-scheme clj

(rel-scheme-cache-scheme cache env)

Compute a relational scheme from a cache, using the cached version if possible.

rel-scheme-cache? clj

(rel-scheme-cache? thing)

Is object a RelSchemeCache record? See sqlosure.relational-algebra/really-make-rel-scheme-cache.

rel-scheme-columns clj

(rel-scheme-columns rec__2313__auto__)

(rel-scheme-columns data__2314__auto__ v__2315__auto__)

Lens for the columns field (Ordered sequence of the columns.) from a [[rel-scheme]] record. See [[sqlosure.relational-algebra/really-make-rel-scheme]].

rel-scheme-concat clj

(rel-scheme-concat s1 s2)

Takes two rel-schemes and concatenates them. This means:

• concatenate columns
• merge alists
• union grouped-sets

rel-scheme-difference clj

(rel-scheme-difference s1 s2)

Return a new rel-scheme resulting of the (set-)difference of s1's and s2's alist.

rel-scheme-grouped clj

(rel-scheme-grouped rec__2313__auto__)

(rel-scheme-grouped data__2314__auto__ v__2315__auto__)

Lens for the grouped field (nil or set of grouped column labels) from a [[rel-scheme]] record. See [[sqlosure.relational-algebra/really-make-rel-scheme]].

rel-scheme-map clj

(rel-scheme-map rec__2313__auto__)

(rel-scheme-map data__2314__auto__ v__2315__auto__)

Lens for the map field (Map of labels to types.) from a [[rel-scheme]] record. See [[sqlosure.relational-algebra/really-make-rel-scheme]].

rel-scheme-nullable clj

(rel-scheme-nullable scheme)

Makes all columns in a scheme nullable.

rel-scheme-types clj

(rel-scheme-types rs)

Returns the types of a rel-scheme, in the order they were created.

rel-scheme-unary=? clj

(rel-scheme-unary=? rs)

Does rel scheme have only 1 column?

rel-scheme-unary? clj

(rel-scheme-unary? scheme)

Returns true if the rel-scheme's alist consist of only one pair.

rel-scheme=? clj

(rel-scheme=? t1 t2)

Returns true if t1 and t2 are the same.

rel-scheme? clj

(rel-scheme? thing)

Is object a rel-scheme record? See [[sqlosure.relational-algebra/really-make-rel-scheme]].

relational-op? clj

(relational-op? k)

RelSchemeCache clj

restrict-exp clj

(restrict-exp rec__2313__auto__)

(restrict-exp data__2314__auto__ v__2315__auto__)

Lens for the exp field from a [[restrict]] record. See sqlosure.relational-algebra/really-make-restrict.

restrict-outer-exp clj

(restrict-outer-exp rec__2313__auto__)

(restrict-outer-exp data__2314__auto__ v__2315__auto__)

Lens for the exp field from a [[restrict-outer]] record. See sqlosure.relational-algebra/really-make-restrict-outer.

restrict-outer-query clj

(restrict-outer-query rec__2313__auto__)

(restrict-outer-query data__2314__auto__ v__2315__auto__)

Lens for the query field from a [[restrict-outer]] record. See sqlosure.relational-algebra/really-make-restrict-outer.

restrict-outer? clj

(restrict-outer? thing)

Is object a restrict-outer record? See sqlosure.relational-algebra/really-make-restrict-outer.

restrict-query clj

(restrict-query rec__2313__auto__)

(restrict-query data__2314__auto__ v__2315__auto__)

Lens for the query field from a [[restrict]] record. See sqlosure.relational-algebra/really-make-restrict.

restrict? clj

(restrict? thing)

Is object a restrict record? See sqlosure.relational-algebra/really-make-restrict.

scalar-subquery-query clj

(scalar-subquery-query rec__2313__auto__)

(scalar-subquery-query data__2314__auto__ v__2315__auto__)

Lens for the query field from a [[scalar-subquery]] record. See sqlosure.relational-algebra/make-scalar-subquery.

scalar-subquery? clj

(scalar-subquery? thing)

Is object a scalar-subquery record? See sqlosure.relational-algebra/make-scalar-subquery.

set-subquery-query clj

(set-subquery-query rec__2313__auto__)

(set-subquery-query data__2314__auto__ v__2315__auto__)

Lens for the query field from a [[set-subquery]] record. See sqlosure.relational-algebra/make-set-subquery.

set-subquery? clj

(set-subquery? thing)

Is object a set-subquery record? See sqlosure.relational-algebra/make-set-subquery.

substitute-attribute-refs clj

(substitute-attribute-refs alist expr)

the-empty clj

the-empty-environment clj

the-empty-rel-scheme clj

top-count clj

(top-count rec__2313__auto__)

(top-count data__2314__auto__ v__2315__auto__)

Lens for the count field from a [[top]] record. See sqlosure.relational-algebra/really-make-top.

top-offset clj

(top-offset rec__2313__auto__)

(top-offset data__2314__auto__ v__2315__auto__)

Lens for the offset field from a [[top]] record. See sqlosure.relational-algebra/really-make-top.

top-query clj

(top-query rec__2313__auto__)

(top-query data__2314__auto__ v__2315__auto__)

Lens for the query field from a [[top]] record. See sqlosure.relational-algebra/really-make-top.

top? clj

(top? thing)

Is object a top record? See sqlosure.relational-algebra/really-make-top.

tuple-expressions clj

(tuple-expressions rec__2313__auto__)

(tuple-expressions data__2314__auto__ v__2315__auto__)

Lens for the expressions field from a [[tuple]] record. See sqlosure.relational-algebra/make-tuple.

tuple? clj

(tuple? thing)

Is object a tuple record? See sqlosure.relational-algebra/make-tuple.